A274387 - cp's OEIS frontend

A274387 A diagonal of rectangular array A274391 of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x).

n	a(n)
0	1
1	1
2	3
3	43
4	1345
5	71721
6	5787931
7	656778529
8	99609347825
9	19451450431009
10	4752356577301171
11	1419957082098657081
12	509327639955159790777
13	215968308944943346029577
14	106859555896120941092549371
15	61015970334444558798467062801
16	39820542372512292977427634794721
17	29454908124155520098406206592241281
18	24512125500202005940687498958550124771
19	22799363145943007981544986753209784020249
20	23563018240183207044471748499194925348436201

[1, 1, 3, 43, 1345, 71721, 5787931, 656778529, 99609347825, 19451450431009, 4752356577301171, 1419957082098657081, 509327639955159790777, 215968308944943346029577, 106859555896120941092549371, 61015970334444558798467062801, 39820542372512292977427634794721, 29454908124155520098406206592241281, 24512125500202005940687498958550124771, 22799363145943007981544986753209784020249, 23563018240183207044471748499194925348436201]

cp's OEIS Frontend

A274387 A diagonal of rectangular array A274391 of coefficients in functions that satisfy W_n(x) = W_{n-1}(x)^W_n(x), with W_0(x) = exp(x).

Table of values

List of values