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⇱ The On-Line Encyclopedia of Integer Sequences (OEIS)

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Showing entries 1-10 | older changes
a(n) = (-1)^(n+1) * (3^n+1)/2.
#12 by N. J. A. Sloane at Sat Feb 13 14:41:16 EST 2021
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#11 by Stefano Spezia at Sat Feb 13 02:10:26 EST 2021
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Discussion
Sat Feb 13
04:00
Jon E. Schoenfield: Please disregard my question. I'm badly ignorant of the subject matter.
#10 by Stefano Spezia at Sat Feb 13 02:10:20 EST 2021
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#9 by Stefano Spezia at Sat Feb 13 02:07:01 EST 2021
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#8 by Stefano Spezia at Sat Feb 13 02:06:51 EST 2021
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#7 by Kevin Ryde at Fri Feb 12 22:33:09 EST 2021
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Discussion
Sat Feb 13
00:07
Jon E. Schoenfield: I may be misunderstanding the notation, but does the period in "f(G) =(-1)^n.Q(G)" mean multiplication? Or something else?
#6 by Kevin Ryde at Fri Feb 12 22:30:10 EST 2021
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Fri Feb 12
22:33
Kevin Ryde: Maybe the balanced ternary could be clearer. Perhaps letter T for -1 to avoid parens.
#5 by Omar E. Pol at Fri Feb 12 20:23:55 EST 2021
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#4 by Omar E. Pol at Fri Feb 12 20:22:20 EST 2021
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Fri Feb 12
20:23
Omar E. Pol: Minor edits.
#3 by Jack W Grahl at Fri Feb 12 19:45:48 EST 2021
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