A379802 - cp's OEIS frontend

A379802 Indices k such that A377091(k) is immediately followed by A377091(k+1) = -A377091(k).

n	a(n)
1	2
2	12
3	31
4	60
5	90
6	132
7	183
8	241
9	307
10	380
11	462
12	552
13	677
14	997
15	1125
16	1444
17	1563
18	1722
19	1892
20	2117
21	2257
22	2450
23	2652
24	2914
25	3081
26	3306
27	3540
28	3782
29	4033
30	4291
31	4560
32	4830
33	5112
34	5403
35	5701
36	6006
37	6320
38	6643
39	6972
40	7311
41	7657
42	8464
43	8743
44	9121
45	9506
46	9902
47	11238
48	12100
49	12542
50	12883
51	15877
52	16257
53	17424
54	17823
55	18361
56	18906
57	19462

[2, 12, 31, 60, 90, 132, 183, 241, 307, 380, 462, 552, 677, 997, 1125, 1444, 1563, 1722, 1892, 2117, 2257, 2450, 2652, 2914, 3081, 3306, 3540, 3782, 4033, 4291, 4560, 4830, 5112, 5403, 5701, 6006, 6320, 6643, 6972, 7311, 7657, 8464, 8743, 9121, 9506, 9902, 11238, 12100, 12542, 12883, 15877, 16257, 17424, 17823, 18361, 18906, 19462]

cp's OEIS Frontend

A379802 Indices k such that A377091(k) is immediately followed by A377091(k+1) = -A377091(k).

Table of values

List of values