Triangle read by rows, coefficients of the polynomials P(m, n) = Sum_{k=1..n} binomial(m*n, m*k)* P(m, n-k)*z with P(m, 0) = 1 and m = 3.
A278073
Triangle read by rows, coefficients of the polynomials P(m, n) = Sum_{k=1..n} binomial(m*n, m*k)* P(m, n-k)*z with P(m, 0) = 1 and m = 3.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =20a(6) =0a(7) =1a(8) =168a(9) =1680a(10) =0a(11) =1a(12) =1364a(13) =55440a(14) =369600a(15) =0a(16) =1a(17) =10920a(18) =1561560a(19) =33633600a(20) =168168000a(21) =0a(22) =1a(23) =87380a(24) =42771456a(25) =2385102720a(26) =34306272000a(27) =137225088000a(28) =0a(29) =1
External references
- oeis: A278073