A207570 - cp's OEIS frontend

A207570 G.f.: Sum_{n>=0} Product_{k=1..n} ((1+x)^(3*k-2) - 1).

n	a(n)
0	1
1	1
2	4
3	34
4	410
5	6455
6	125251
7	2888305
8	77157780
9	2342972405
10	79701049425
11	3002132647515
12	124039845584382
13	5577660227565634
14	271162541308698623
15	14172237715785139175
16	792418822364402364530
17	47198077739119663907870
18	2983413619934353599892285

[1, 1, 4, 34, 410, 6455, 125251, 2888305, 77157780, 2342972405, 79701049425, 3002132647515, 124039845584382, 5577660227565634, 271162541308698623, 14172237715785139175, 792418822364402364530, 47198077739119663907870, 2983413619934353599892285]

cp's OEIS Frontend

A207570 G.f.: Sum_{n>=0} Product_{k=1..n} ((1+x)^(3*k-2) - 1).

Table of values

List of values