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A104271

First element of first run of exactly n consecutive numbers not of form x^2+y^2.

3, 6, 42, 21, 75, 91, 186, 378, 3051, 987, 1670, 4182, 6531, 1494, 8435, 9705, 22161, 5166, 16110, 16869, 154709, 57099, 31658, 52394, 401481, 176811, 101350, 105573, 678357, 241883, 501717, 393818, 284003, 685542, 1437354, 1751297, 3225579

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OFFSET

1,1

COMMENTS

Gives the position of the start of the first run of exactly n consecutive zeros in A004018.

LINKS

Hugo Pfoertner, Table of n, a(n) for n = 1..122

CROSSREFS

Cf. A022544, A004018.

Sequence in context: A208649 A371063 A203178 * A360830 A109491 A085696

Adjacent sequences: A104268 A104269 A104270 * A104272 A104273 A104274

KEYWORD

nonn

AUTHOR

David W. Wilson, Feb 26 2005

STATUS

approved

URL: https://oeis.org/A104271

⇱ A104271 - OEIS