Array read by ascending antidiagonals: A(m, n) = Sum_{i=0..n} Sum_{d=0..n-i} binomial(n, d)*StirlingS2(n-d, i)*(m^(m-1) - 1)^(n-d-i).
A364074
Array read by ascending antidiagonals: A(m, n) = Sum_{i=0..n} Sum_{d=0..n-i} binomial(n, d)*StirlingS2(n-d, i)*(m^(m-1) - 1)^(n-d-i).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =2a(5) =12a(6) =1a(7) =2a(8) =67a(9) =120a(10) =1a(11) =2a(12) =628a(13) =4355a(14) =1424a(15) =1a(16) =2a(17) =7779a(18) =393128a(19) =295234a(20) =19488a(21) =1a(22) =2a(23) =117652a(24) =60497283a(25) =247268752a(26) =21036803a(27) =307904a(28) =1a(29) =2
External references
- oeis: A364074