A039874 - OEIS

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A039874

Number of partitions satisfying cn(1,5) <= cn(0,5) + cn(2,5) and cn(1,5) <= cn(0,5) + cn(3,5) and cn(4,5) <= cn(0,5) + cn(2,5) and cn(4,5) <= cn(0,5) + cn(3,5).

0

0, 1, 1, 1, 2, 4, 3, 6, 8, 11, 16, 21, 24, 37, 46, 62, 78, 101, 126, 166, 208, 266, 326, 414, 508, 640, 793, 978, 1191, 1473, 1787, 2211, 2672, 3236, 3906, 4736, 5716, 6902, 8229, 9861, 11778, 14137, 16821, 19976, 23637

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OFFSET

1,5

COMMENTS

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

Short: 1 <= 0 + 2 and 1 <= 0 + 3 and 4 <= 0 + 2 and 4 <= 0 + 3 (AAZBB).

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

Sequence in context: A155487 A356430 A128555 * A193991 A368523 A114107

Adjacent sequences: A039871 A039872 A039873 * A039875 A039876 A039877

KEYWORD

nonn

AUTHOR

Olivier Gérard

STATUS

approved