Irregular table: the n-th row polynomial is given by the formal power series expansion of Sum_{k >= 0} (1 + q)^(n*k + n^2)*Product_{j = 1..k} (1 - (1 + q)^(2*j-1)), n >= 1.
A340882
Irregular table: the n-th row polynomial is given by the formal power series expansion of Sum_{k >= 0} (1 + q)^(n*k + n^2)*Product_{j = 1..k} (1 - (1 + q)^(2*j-1)), n >= 1.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =1a(5) =8a(6) =24a(7) =30a(8) =20a(9) =7a(10) =1a(11) =1a(12) =15a(13) =99a(14) =368a(15) =841a(16) =1302a(17) =1435a(18) =1149a(19) =668a(20) =276a(21) =77a(22) =13a(23) =1a(24) =1a(25) =24a(26) =268a(27) =1828a(28) =8446a(29) =28050
External references
- oeis: A340882