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
Links
- Zhao Hui Du, The result on a Chinese BBS.
Crossrefs
Cf. A354697.