A323256 Number of partitions lambda of n that satisfy gcd(lambda_i, n-1) = 1 for all i.

1, 2, 2, 3, 3, 7, 3, 15, 7, 17, 8, 58, 7, 103, 18, 45, 33, 316, 15, 513, 36, 180, 78, 1317, 31, 1169, 148, 750, 143, 4779, 26, 7050, 392, 1675, 478, 4850, 115, 22109, 816, 4410, 433, 45819, 104, 64731, 1362, 4192, 2202, 129242, 365, 106948, 1233, 24641, 3597, 339300, 623

Offset

1,2

Links

Table of n, a(n) for n=1..55.

Benjamin Braun, Brian Davis, Antichain Simplices, arXiv:1901.01417 [math.CO], 2019. See Appendix A p. 41.

Stepan Kochemazov, Oleg Zaikin, Eduard Vatutin, Alexey Belyshev, Enumerating Diagonal Latin Squares of Order Up to 9, J. Int. Seq., Vol. 23 (2020), Article 20.1.2.

Crossrefs

Cf. A000041, A323257.

Sequence in context: A238363 A255254 A048848 * A192495 A162223 A133076

Adjacent sequences: A323253 A323254 A323255 * A323257 A323258 A323259

Keyword

nonn

Author

Michel Marcus, Jan 09 2019

Status

approved