Triangle read by rows. T(n, m) = (1/(n + 1)) * C(n + 1, m) * 4^n * C((3*n - m + 1)/2 - 1, n) if n is odd, otherwise (1/(n + 1)) * C(n + 1, m) * C((3*n - m)/2, n) * C(3*n - m, (3*n - m)/2) / C(n - m, (n - m)/2).
A360636
Triangle read by rows. T(n, m) = (1/(n + 1)) * C(n + 1, m) * 4^n * C((3*n - m + 1)/2 - 1, n) if n is odd, otherwise (1/(n + 1)) * C(n + 1, m) * C((3*n - m)/2, n) * C(3*n - m, (3*n - m)/2) / C(n - m, (n - m)/2).
Terms
- a(0) =1a(1) =2a(2) =2a(3) =10a(4) =16a(5) =6a(6) =64a(7) =140a(8) =96a(9) =20a(10) =462a(11) =1280a(12) =1260a(13) =512a(14) =70a(15) =3584a(16) =12012a(17) =15360a(18) =9240a(19) =2560a(20) =252a(21) =29172a(22) =114688a(23) =180180a(24) =143360a(25) =60060a(26) =12288a(27) =924a(28) =245760a(29) =1108536
External references
- oeis: A360636