Column 10 of array illustrated in A089574 and related to A034261.

Terms

a(0) =1a(1) =64a(2) =731a(3) =4553a(4) =20155a(5) =71272a(6) =214653a(7) =572743a(8) =1389702a(9) =3122752a(10) =6585183a(11) =13162741a(12) =25131718a(13) =46115029a(14) =81722067a(15) =140429357a(16) =234772177a(17) =382932581a(18) =610826859a(19) =954815625a(20) =1465182669a(21) =2210554686a(22) =3283463257a(23) =4807283267a(24) =6944818576a(25) =9908846494a(26) =13974977743a(27) =19497238421a(28) =26926835328