O.g.f. exp( Sum_{n >= 1} A211421(n)*x^n/n ).
A262740
O.g.f. exp( Sum_{n >= 1} A211421(n)*x^n/n ).
Terms
- a(0) =1a(1) =14a(2) =293a(3) =7266a(4) =197962a(5) =5726364a(6) =172662765a(7) =5367187226a(8) =170772853790
External references
- oeis: A262740
A262740
O.g.f. exp( Sum_{n >= 1} A211421(n)*x^n/n ).