Square array A(n, k) read by descending antidiagonals, where column k is the expansion of the e.g.f. exp(k*x)/(2 - exp(x)).
A292915
Square array A(n, k) read by descending antidiagonals, where column k is the expansion of the e.g.f. exp(k*x)/(2 - exp(x)).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =1a(7) =3a(8) =6a(9) =13a(10) =1a(11) =4a(12) =11a(13) =26a(14) =75a(15) =1a(16) =5a(17) =18a(18) =51a(19) =150a(20) =541a(21) =1a(22) =6a(23) =27a(24) =94a(25) =299a(26) =1082a(27) =4683a(28) =1a(29) =7
External references
- oeis: A292915