Sum of fourth powers of first n odd numbers.

Terms

a(0) =1a(1) =82a(2) =707a(3) =3108a(4) =9669a(5) =24310a(6) =52871a(7) =103496a(8) =187017a(9) =317338a(10) =511819a(11) =791660a(12) =1182285a(13) =1713726a(14) =2421007a(15) =3344528a(16) =4530449a(17) =6031074a(18) =7905235a(19) =10218676a(20) =13044437a(21) =16463238a(22) =20563863a(23) =25443544a(24) =31208345a(25) =37973546a(26) =45864027a(27) =55014652a(28) =65570653a(29) =77688014