Triangle, read by rows, of the coefficients of [x^k] in G100225(x)^n such that the row sums are 3^n-1 for n>0, where G100225(x) is the g.f. of A100225.
A100226
Triangle, read by rows, of the coefficients of [x^k] in G100225(x)^n such that the row sums are 3^n-1 for n>0, where G100225(x) is the g.f. of A100225.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =1a(7) =3a(8) =9a(9) =13a(10) =1a(11) =4a(12) =14a(13) =28a(14) =33a(15) =1a(16) =5a(17) =20a(18) =50a(19) =85a(20) =81a(21) =1a(22) =6a(23) =27a(24) =80a(25) =171a(26) =246a(27) =197a(28) =1a(29) =7
External references
- oeis: A100226