Structured deltoidal hexacontahedral numbers (vertex structure 9).

Terms

a(0) =1a(1) =62a(2) =295a(3) =812a(4) =1725a(5) =3146a(6) =5187a(7) =7960a(8) =11577a(9) =16150a(10) =21791a(11) =28612a(12) =36725a(13) =46242a(14) =57275a(15) =69936a(16) =84337a(17) =100590a(18) =118807a(19) =139100a(20) =161581a(21) =186362a(22) =213555a(23) =243272a(24) =275625a(25) =310726a(26) =348687a(27) =389620a(28) =433637a(29) =480850