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A160482

Second left hand column of the Beta triangle A160480.

1, 36, 2063, 182474, 23364725, 4107797216, 951631193979, 281268377936406, 103364179496231841, 46249298048633298156, 24761883016575811181799, 15633887186628672922202850, 11496293145747030133211784525

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OFFSET

3,2

LINKS

Table of n, a(n) for n=3..15.

MAPLE

nmax:=15; a(1, 1):=0: for n from 2 to nmax do a(n, 1):=(2*n-3)^2*a(n-1, 1)-(2*(n-2))! od: a(2, 2):=0: for n from 3 to nmax do a(n, 2):=(2*n-3)^2*a(n-1, 2)-a(n-1, 1) od: seq(a(n, 2), n=3..nmax);

CROSSREFS

A160480 is the Beta triangle.

A101269 is the first left hand column.

Sequence in context: A071128 A065782 A374393 * A135626 A064566 A375058

Adjacent sequences: A160479 A160480 A160481 * A160483 A160484 A160485

KEYWORD

easy,nonn

AUTHOR

Johannes W. Meijer, May 24 2009

STATUS

approved

URL: https://oeis.org/A160482

⇱ A160482 - OEIS