Sum of n-th row of triangle of 4th powers: 1; 1 16 1; 1 16 81 16 1; 1 16 81 256 81 16 1; ... (cf. A133824).

A061803

Sum of n-th row of triangle of 4th powers: 1; 1 16 1; 1 16 81 16 1; 1 16 81 256 81 16 1; ... (cf. A133824).

Terms

    a(0) =1a(1) =18a(2) =115a(3) =452a(4) =1333a(5) =3254a(6) =6951a(7) =13448a(8) =24105a(9) =40666a(10) =65307a(11) =100684a(12) =149981a(13) =216958a(14) =305999a(15) =422160a(16) =571217a(17) =759714a(18) =995011a(19) =1285332a(20) =1639813a(21) =2068550a(22) =2582647a(23) =3194264a(24) =3916665a(25) =4764266a(26) =5752683a(27) =6898780a(28) =8220717a(29) =9737998

External references