A202086 - OEIS

A202086

Number of partitions of 5n such that cn(1,5) = cn(4,5) = cn(2,5) = cn(3,5) < cn(0,5).

1, 2, 3, 6, 13, 33, 78, 177, 376, 763, 1489, 2826, 5241, 9550, 17140, 30362, 53138, 91962, 157448, 266815, 447699, 744146, 1225723, 2001607, 3241805, 5209497, 8309317, 13160012, 20701952, 32357095, 50263743, 77622174, 119197958

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OFFSET

1,2

COMMENTS

For a given partition, cn(i,n) means the number of its parts equal to i modulo n.

LINKS

Table of n, a(n) for n=1..33.

Index and properties of sequences related to partitions of 5n

FORMULA

a(n) = A202085(n) - A046776(n)

a(n) = A036887(n) - A036895(n)

CROSSREFS

Sequence in context: A363071 A296531 A220699 * A227366 A171878 A117403

Adjacent sequences: A202083 A202084 A202085 * A202087 A202088 A202089

KEYWORD

nonn

AUTHOR

Max Alekseyev, Dec 11 2011

STATUS

approved