A373283 - cp's OEIS frontend

A373283 Expansion of Sum_{k>=0} x^(7^k) / (1 - 7*x^(7^k)).

n	a(n)
1	1
2	7
3	49
4	343
5	2401
6	16807
7	117650
8	823543
9	5764801
10	40353607
11	282475249
12	1977326743
13	13841287201
14	96889010414
15	678223072849
16	4747561509943
17	33232930569601
18	232630513987207
19	1628413597910449
20	11398895185373143
21	79792266297612050
22	558545864083284007

[1, 7, 49, 343, 2401, 16807, 117650, 823543, 5764801, 40353607, 282475249, 1977326743, 13841287201, 96889010414, 678223072849, 4747561509943, 33232930569601, 232630513987207, 1628413597910449, 11398895185373143, 79792266297612050, 558545864083284007]

cp's OEIS Frontend

A373283 Expansion of Sum_{k>=0} x^(7^k) / (1 - 7*x^(7^k)).

Table of values

List of values