Row sums of the Sheffer triangle (exp(x), exp(3*x)-1) given in A282629.
A284859
Row sums of the Sheffer triangle (exp(x), exp(3*x)-1) given in A282629.
Terms
- a(0) =1a(1) =4a(2) =25a(3) =199a(4) =1876a(5) =20257a(6) =245017a(7) =3266914a(8) =47450923a(9) =743935375a(10) =12497579698a(11) =223619318215
External references
- oeis: A284859