A039854 Number of partitions satisfying cn(1,5) <= 1 and cn(4,5) <= 1.

1, 1, 2, 3, 4, 6, 7, 10, 13, 18, 22, 28, 36, 45, 58, 71, 87, 109, 131, 165, 196, 239, 289, 345, 421, 495, 594, 708, 830, 1000, 1160, 1377, 1617, 1882, 2228, 2571, 3014, 3506, 4044, 4739, 5424, 6307, 7269, 8334, 9664

Offset

1,3

Comments

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

Short: 1 <= u and 4 <= u (AAU).

Links

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

Crossrefs

Sequence in context: A181436 A199118 A035941 * A237752 A032480 A226137

Adjacent sequences: A039851 A039852 A039853 * A039855 A039856 A039857

Keyword

nonn

Author

Olivier Gérard

Status

approved