A047664 - OEIS

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A047664

Row 7 of square array defined in A047662.

1

7, 56, 287, 1120, 3591, 9912, 24319, 54272, 112071, 216952, 397727, 696032, 1170247, 1900152, 2992383, 4586752, 6863495, 10051512, 14437663, 20377184, 28305287, 38750008, 52346367, 69851904, 92163655, 120336632, 155603871

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

FORMULA

a(n) = (n/315) * (4*n^6 + 14*n^5 + 112*n^4 + 245*n^3 + 616*n^2 + 686*n + 528).

CROSSREFS

Sequence in context: A244727 A090224 A237647 * A055345 A180287 A082140

Adjacent sequences: A047661 A047662 A047663 * A047665 A047666 A047667

KEYWORD

nonn

AUTHOR

N. J. A. Sloane

STATUS

approved