Record values in A375970.

Terms

a(0) =1a(1) =2a(2) =5a(3) =70a(4) =99a(5) =195a(6) =240a(7) =323a(8) =2378a(9) =2716a(10) =15015a(11) =48505a(12) =80782a(13) =130662a(14) =510068a(15) =672210a(16) =1926615a(17) =2744210a(18) =4116315a(19) =10278759a(20) =31320850a(21) =87347695a(22) =93222358a(23) =155904960a(24) =177385520a(25) =189539896a(26) =250637778a(27) =272607725a(28) =486471832a(29) =647562465