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A166869 Coefficients of first derivative of polynomial in A056219: n*A056219(n+1) 0
2, 4, 12, 20, 30, 54, 91, 120, 171, 250, 374, 504, 663, 854, 1170, 1568, 2074, 2628, 3325, 4180, 5313, 6754, 8602, 10656, 13100, 16042, 19683, 24024, 29464, 36000, 43834, 52768, 63228, 75582, 90510, 107856, 128575, 153178, 182208, 215400 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

MATHEMATICA

(*A056219*) a = {1, 2, 2, 4, 5, 6, 9, 13, 15, 19, 25, 34, 42, 51, 61, 78, 98, 122, 146, 175, 209, 253, 307, 374, 444, 524, 617, 729, 858, 1016, 1200, 1414, 1649, 1916, 2223, 2586, 2996, 3475, 4031, 4672, 5385, 6191, 7102, 8148, 9329, 10673, 12201, 13957, 15939, 18172};

CoefficientList[D[Sum[a[[n + 1]]*x^(n), {n, 0, Length[a] - 1}], x], x]

Table[(n)*a[[n + 1]], {n, 1, Length[a] - 1}]

CROSSREFS

A056219

Sequence in context: A290440 A090922 A056228 * A168380 A297184 A218871

Adjacent sequences:  A166866 A166867 A166868 * A166870 A166871 A166872

KEYWORD

nonn,uned

AUTHOR

Roger L. Bagula, Oct 22 2009

STATUS

approved

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Last modified February 19 10:16 EST 2019. Contains 320310 sequences. (Running on oeis4.)