Triangle read by rows: T2[n,k] = Sum_{partitions of n with k parts p(n, k; m_1, m_2, m_3, ..., m_n)} c(n; m_1, m_2, ..., m_n) * x_1^m_1 * x_2^m_2 * ... x^n*m_n, where x_i = i-th prime.
A145520
Triangle read by rows: T2[n,k] = Sum_{partitions of n with k parts p(n, k; m_1, m_2, m_3, ..., m_n)} c(n; m_1, m_2, ..., m_n) * x_1^m_1 * x_2^m_2 * ... x^n*m_n, where x_i = i-th prime.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =5a(4) =18a(5) =8a(6) =7a(7) =67a(8) =72a(9) =16a(10) =11a(11) =220a(12) =470a(13) =240a(14) =32a(15) =13a(16) =697a(17) =2625a(18) =2420a(19) =720a(20) =64a(21) =17a(22) =2100a(23) =13559a(24) =20230a(25) =10360a(26) =2016a(27) =128a(28) =19a(29) =6159
External references
- oeis: A145520