G.f.: A(x) = exp( Sum_{n>=1} A162415(n)^2*x^n/n ) where A162415 is defined by: Sum_{n>=0} x^(2^n-1) = exp( Sum_{n>=1} A162415(n)*x^n/n ).
A162416
G.f.: A(x) = exp( Sum_{n>=1} A162415(n)^2*x^n/n ) where A162415 is defined by: Sum_{n>=0} x^(2^n-1) = exp( Sum_{n>=1} A162415(n)*x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =6a(4) =12a(5) =19a(6) =48a(7) =147a(8) =305a(9) =628a(10) =1607a(11) =3748a(12) =8140a(13) =18779a(14) =44521a(15) =102625a(16) =233230a(17) =540343a(18) =1254459a(19) =2877651a(20) =6614799a(21) =15288779a(22) =35283125a(23) =81210949a(24) =187173219a(25) =431917054a(26) =995565240a(27) =2293851990a(28) =5288703013a(29) =12194473395
External references
- oeis: A162416