A363423
G.f. satisfies A(x) = exp( Sum_{k>=1} A(3*x^k) * x^k/k ).
Original entry on oeis.org
1, 1, 4, 40, 1126, 92440, 22559276, 16468584194, 36033333480881, 236450784546518006, 4654297351684653345788, 274836259327539399144691019, 48686693681325683653963188907344, 25874153864215746591981599665978198380
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, subst(A, x, 3*x^k)*x^k/k)+x*O(x^n))); Vec(A);
A363427
G.f. satisfies A(x) = exp( Sum_{k>=1} (-1)^(k+1) * A(4*x^k) * x^k/k ).
Original entry on oeis.org
1, 1, 4, 68, 4422, 1136646, 1165077220, 4773325045092, 78210934437541505, 5125710024629047469249, 1343679254641311248179226112, 1408951161809404147369817577873792, 5909570902737024213107077083032728540592
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, (-1)^(k+1)*subst(A, x, 4*x^k)*x^k/k)+x*O(x^n))); Vec(A);
A363440
G.f. satisfies A(x) = exp( Sum_{k>=1} A(x^k) * (4*x)^k/k ).
Original entry on oeis.org
1, 4, 32, 256, 2208, 19712, 183808, 1763328, 17332992, 173621248, 1766188288, 18196260864, 189474570240, 1990887063552, 21082432966656, 224766598100992, 2410570956881920, 25988893875994624, 281505478557407232, 3062014088362049536
Offset: 0
-
seq(n) = my(A=1); for(i=1, n, A=exp(sum(k=1, i, subst(A, x, x^k)*(4*x)^k/k)+x*O(x^n))); Vec(A);
Showing 1-3 of 3 results.