A363424
G.f. satisfies A(x) = exp( Sum_{k>=1} A(4*x^k) * x^k/k ).
Original entry on oeis.org
1, 1, 5, 85, 5535, 1422815, 1458410395, 5975113492155, 97902240525033630, 6416219161308006188750, 1681979772433159156954845846, 1763685303864317080584539713676102, 7397434088431352859937186709876628421294
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, subst(A, x, 4*x^k)*x^k/k)+x*O(x^n))); Vec(A);
A363426
G.f. satisfies A(x) = exp( Sum_{k>=1} (-1)^(k+1) * A(3*x^k) * x^k/k ).
Original entry on oeis.org
1, 1, 3, 30, 840, 68934, 16821865, 12280119400, 26868936914550, 176313989066991255, 3470564614854890465955, 204936840860491674903711726, 36304151491699938200267389259775, 19293550877461959142221066537253871070
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, (-1)^(k+1)*subst(A, x, 3*x^k)*x^k/k)+x*O(x^n))); Vec(A);
A363439
G.f. satisfies A(x) = exp( Sum_{k>=1} A(x^k) * (3*x)^k/k ).
Original entry on oeis.org
1, 3, 18, 108, 702, 4698, 32913, 236844, 1747170, 13131639, 100239444, 774932832, 6055105590, 47742847875, 379381851684, 3035174325246, 24426965179593, 197622494260479, 1606332527049645, 13111628672610153, 107428845309125157
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, subst(A, x, x^k)*(3*x)^k/k)+x*O(x^n))); Vec(A);
Showing 1-3 of 3 results.