A039856 Number of partitions satisfying cn(1,5) + cn(4,5) <= 1.

1, 1, 2, 3, 3, 6, 6, 9, 12, 14, 20, 23, 30, 39, 44, 61, 68, 87, 107, 123, 159, 181, 221, 270, 306, 384, 436, 524, 623, 712, 864, 984, 1160, 1366, 1549, 1852, 2098, 2448, 2845, 3226, 3787, 4289, 4947, 5705, 6439

Offset

1,3

Comments

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

Short: 1 + 4 <= u (AApU).

Links

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

Crossrefs

Sequence in context: A222862 A379303 A101437 * A301703 A143715 A159685

Adjacent sequences: A039853 A039854 A039855 * A039857 A039858 A039859

Keyword

nonn

Author

Olivier Gérard

Status

approved