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A126682 Square pyramid giving coefficients of Carlo Wood's polynomials, read by successive slices, each slice being read row by row. 1
1, 1, 1, 3, 1, 3, 2, 2, 9, 7, 1, 6, 11, 1, 6, 11, 6, 3, 22, 45, 26, 3, 26, 69, 46, 1, 10, 35, 50, 1, 10, 35, 50, 24, 4, 45, 170, 255, 126, 6, 75, 320, 525, 274, 4, 55, 270, 545, 326, 1, 15, 85, 225, 274, 1, 15, 85, 225, 274, 120, 5, 81, 485, 1335, 1670, 744, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

There is no standard method for converting a pyramid of numbers to a sequence. This seems as good a solution as any.

See the link for further information and more terms.

LINKS

Table of n, a(n) for n=1..67.

N. J. A. Sloane, Notes on Carlo Wood's Polynomials

CROSSREFS

Sequence in context: A171899 A213885 A083208 * A016571 A055189 A106824

Adjacent sequences:  A126679 A126680 A126681 * A126683 A126684 A126685

KEYWORD

nonn,tabf

AUTHOR

N. J. A. Sloane, Feb 14 2007

STATUS

approved

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Last modified February 18 13:07 EST 2018. Contains 299322 sequences. (Running on oeis4.)