Records in A179210.

Terms

a(0) =5a(1) =31a(2) =8123a(3) =45439a(4) =156157a(5) =480209a(6) =2181737a(7) =6012899a(8) =13626257a(9) =60487759a(10) =217795247a(11) =240485257a(12) =995151679a(13) =4002927023a(14) =7186211917a(15) =10514388763a(16) =18553663237a(17) =34434090797a(18) =196122821897