A325286 - cp's OEIS frontend

A325286 G.f. satisfies: 1 = Sum_{n>=0} (1+x)^(n(n-1)/2) / A(x)^n 1/2^(n+1).

n	a(n)
0	1
1	1
2	3
3	25
4	343
5	6441
6	150975
7	4203201
8	134852079
9	4886641681
10	197154406591
11	8760602600193
12	425074860993439
13	22363792326962881
14	1268239233311498079
15	77129745316500047745
16	5008173999379887257151
17	345838251972031108425345
18	25309861534968595801377279
19	1956926079593452273940279169
20	159406563966400881627947865279
21	13645204581985719926987977747329
22	1224591755319676016226530026499583
23	114980206425267526899287638805977857

[1, 1, 3, 25, 343, 6441, 150975, 4203201, 134852079, 4886641681, 197154406591, 8760602600193, 425074860993439, 22363792326962881, 1268239233311498079, 77129745316500047745, 5008173999379887257151, 345838251972031108425345, 25309861534968595801377279, 1956926079593452273940279169, 159406563966400881627947865279, 13645204581985719926987977747329, 1224591755319676016226530026499583, 114980206425267526899287638805977857]

cp's OEIS Frontend

A325286 G.f. satisfies: 1 = Sum_{n>=0} (1+x)^(n(n-1)/2) / A(x)^n 1/2^(n+1).

Table of values

List of values

cp's OEIS Frontend

A325286 G.f. satisfies: 1 = Sum_{n>=0} (1+x)^(n*(n-1)/2) / A(x)^n * 1/2^(n+1).

Table of values

List of values

A325286 G.f. satisfies: 1 = Sum_{n>=0} (1+x)^(n(n-1)/2) / A(x)^n 1/2^(n+1).