A372849 Number of pairs of two disjoint sets of n positive integers more than 1 with product A354697.

1, 4, 2, 25, 7, 31, 55, 114, 237, 695, 1666, 2646, 6928, 42986, 79098, 126721, 375348, 667321, 1831927, 7130833, 12067929, 42973699, 105786888, 218943019, 646950177, 1476274502, 3846678717, 14320262729, 46445678648, 91771247330, 182567269925

Offset

2,2

Links

Table of n, a(n) for n=2..32.

Zhao Hui Du, The result on a Chinese BBS.

Crossrefs

Cf. A354697.

Sequence in context: A298593 A228474 A058167 * A140331 A095896 A286798

Adjacent sequences: A372846 A372847 A372848 * A372850 A372851 A372852

Keyword

nonn,more

Author

Zhao Hui Du, May 14 2024

Status

approved