A131197 - cp's OEIS frontend

A131197 Numbers n such that 1 - S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)^n; S(0)=0, n=>1.

n	a(n)
1	2
2	4
3	6
4	8
5	12
6	14
7	190
8	194
9	306
10	308
11	462
12	464
13	472
14	474
15	476
16	478
17	490
18	1884
19	1890
20	1938
21	23636
22	23656
23	23850
24	25226
25	25834
26	25984
27	26642
28	26650
29	26924
30	26998
31	27000
32	311922
33	313880
34	313946
35	331676
36	331762
37	331782
38	332676
39	377078
40	377518
41	377666

[2, 4, 6, 8, 12, 14, 190, 194, 306, 308, 462, 464, 472, 474, 476, 478, 490, 1884, 1890, 1938, 23636, 23656, 23850, 25226, 25834, 25984, 26642, 26650, 26924, 26998, 27000, 311922, 313880, 313946, 331676, 331762, 331782, 332676, 377078, 377518, 377666]

cp's OEIS Frontend

A131197 Numbers n such that 1 - S(n) = 0, where S(n) = (S(n-1) + A000040(n))*(-1)^n; S(0)=0, n=>1.

Table of values

List of values