Triangle read by rows. T(n, k) = 1 if k = 0, equals T(n, k-1) if k = n, and otherwise is (n - k + 1) * (2 * (n - k) + 1) * T(n, k - 1) + T(n - 1, k).
A365672
Triangle read by rows. T(n, k) = 1 if k = 0, equals T(n, k-1) if k = n, and otherwise is (n - k + 1) * (2 * (n - k) + 1) * T(n, k - 1) + T(n - 1, k).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =7a(6) =1a(7) =22a(8) =139a(9) =139a(10) =1a(11) =50a(12) =889a(13) =5473a(14) =5473a(15) =1a(16) =95a(17) =3549a(18) =58708a(19) =357721a(20) =357721a(21) =1a(22) =161a(23) =10794a(24) =360940a(25) =5771821a(26) =34988647a(27) =34988647a(28) =1a(29) =252
External references
- oeis: A365672