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A055583 Seventh column of triangle A055252. 1
1, 10, 58, 256, 955, 3178, 9740, 28064, 77093, 203930, 523262, 1309520, 3209871, 7731642, 18348240, 42989520, 99612345, 228586890, 520090690, 1174401760, 2634019171, 5872021450, 13019115028, 28722588736, 63082326605 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..24.

FORMULA

G.f. 1/(((1-2*x)^3)*(1-x)^4).

a(n)= A055252(n+6, 6). a(n)= sum(a(j), j=0..n-1)+A055250(n), n >= 1.

CROSSREFS

Cf. A055252, A055249, A055250, partial sums of A055582.

Sequence in context: A189072 A189417 A060157 * A242202 A125320 A321112

Adjacent sequences:  A055580 A055581 A055582 * A055584 A055585 A055586

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang, May 26 2000

STATUS

approved

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Last modified May 21 01:18 EDT 2019. Contains 323429 sequences. (Running on oeis4.)