A198519 - cp's OEIS frontend

A198519 a(2n-1) is the first unused prime which is the sum of the two preceding terms and such that a(2n) is that sum and it is also an unused prime.

n	a(n)
1	3
2	5
3	11
4	19
5	7
6	37
7	17
8	61
9	23
10	101
11	13
12	137
13	29
14	179
15	31
16	239
17	41
18	311
19	67
20	419
21	71
22	557
23	73
24	701
25	47
26	821
27	43
28	911
29	59
30	1013
31	79
32	1151
33	53
34	1283
35	97
36	1433
37	83
38	1613
39	127
40	1823
41	89
42	2039
43	109
44	2237
45	113
46	2459
47	139
48	2711
49	103
50	2953
51	107
52	3163
53	163
54	3433
55	131
56	3727
57	149
58	4007
59	181
60	4337
61	173
62	4691

[3, 5, 11, 19, 7, 37, 17, 61, 23, 101, 13, 137, 29, 179, 31, 239, 41, 311, 67, 419, 71, 557, 73, 701, 47, 821, 43, 911, 59, 1013, 79, 1151, 53, 1283, 97, 1433, 83, 1613, 127, 1823, 89, 2039, 109, 2237, 113, 2459, 139, 2711, 103, 2953, 107, 3163, 163, 3433, 131, 3727, 149, 4007, 181, 4337, 173, 4691]

cp's OEIS Frontend

A198519 a(2n-1) is the first unused prime which is the sum of the two preceding terms and such that a(2n) is that sum and it is also an unused prime.

Table of values

List of values