A370016 - cp's OEIS frontend

A370016 Expansion of A(x) = [ Sum_{n>=0} 2^(n(n-1)/2) (1 + 2^(2n+1))/3 x^(n*(n+1)/2) ]^(1/3).

n	a(n)
0	1
1	1
2	-1
3	9
4	-18
5	44
6	-54
7	350
8	-1359
9	3789
10	-9585
11	42489
12	-163900
13	543474
14	-1933092
15	7499404
16	-27668718
17	100329714
18	-371138346
19	1394575578
20	-5236658316
21	19587163968
22	-73536845444
23	278088068628
24	-1052804678958
25	3985553554074
26	-15132118280498
27	57617112474306
28	-219680808219216

[1, 1, -1, 9, -18, 44, -54, 350, -1359, 3789, -9585, 42489, -163900, 543474, -1933092, 7499404, -27668718, 100329714, -371138346, 1394575578, -5236658316, 19587163968, -73536845444, 278088068628, -1052804678958, 3985553554074, -15132118280498, 57617112474306, -219680808219216]

cp's OEIS Frontend

A370016 Expansion of A(x) = [ Sum_{n>=0} 2^(n(n-1)/2) (1 + 2^(2n+1))/3 x^(n*(n+1)/2) ]^(1/3).

Table of values

List of values

cp's OEIS Frontend

A370016 Expansion of A(x) = [ Sum_{n>=0} 2^(n*(n-1)/2) * (1 + 2^(2*n+1))/3 * x^(n*(n+1)/2) ]^(1/3).

Table of values

List of values

A370016 Expansion of A(x) = [ Sum_{n>=0} 2^(n(n-1)/2) (1 + 2^(2n+1))/3 x^(n*(n+1)/2) ]^(1/3).