A308564 - cp's OEIS frontend

A308564 Expansion of e.g.f. Sum_{k>=1} phi(k)*(exp(x) - 1)^k/k!, where phi = Euler totient function (A000010).

n	a(n)
1	1
2	2
3	6
4	22
5	90
6	404
7	1974
8	10366
9	57864
10	341690
11	2134022
12	14104624
13	98498972
14	723664482
15	5561589508
16	44473028634
17	368602225688
18	3159852790392
19	27997141025686
20	256410638073082
21	2428063270357748
22	23774001479212114
23	240580239864321604
24	2513553050765310236

[1, 2, 6, 22, 90, 404, 1974, 10366, 57864, 341690, 2134022, 14104624, 98498972, 723664482, 5561589508, 44473028634, 368602225688, 3159852790392, 27997141025686, 256410638073082, 2428063270357748, 23774001479212114, 240580239864321604, 2513553050765310236]

cp's OEIS Frontend

A308564 Expansion of e.g.f. Sum_{k>=1} phi(k)*(exp(x) - 1)^k/k!, where phi = Euler totient function (A000010).

Table of values

List of values