A344935 - cp's OEIS frontend

A344935 a(0)=1; for n > 0, a(n) = n(a(n-1) + i^(n-1)) if n is odd, na(n-1) + i^n otherwise, where i = sqrt(-1).

n	a(n)
0	1
1	2
2	3
3	6
4	25
5	130
6	779
7	5446
8	43569
9	392130
10	3921299
11	43134278
12	517611337
13	6728947394
14	94205263515
15	1413078952710
16	22609263243361
17	384357475137154
18	6918434552468771
19	131450256496906630
20	2629005129938132601
21	55209107728700784642
22	1214600370031417262123

[1, 2, 3, 6, 25, 130, 779, 5446, 43569, 392130, 3921299, 43134278, 517611337, 6728947394, 94205263515, 1413078952710, 22609263243361, 384357475137154, 6918434552468771, 131450256496906630, 2629005129938132601, 55209107728700784642, 1214600370031417262123]

cp's OEIS Frontend

A344935 a(0)=1; for n > 0, a(n) = n(a(n-1) + i^(n-1)) if n is odd, na(n-1) + i^n otherwise, where i = sqrt(-1).

Table of values

List of values

cp's OEIS Frontend

A344935 a(0)=1; for n > 0, a(n) = n*(a(n-1) + i^(n-1)) if n is odd, n*a(n-1) + i^n otherwise, where i = sqrt(-1).

Table of values

List of values

A344935 a(0)=1; for n > 0, a(n) = n(a(n-1) + i^(n-1)) if n is odd, na(n-1) + i^n otherwise, where i = sqrt(-1).