A228491 - cp's OEIS frontend

A228491 Numbers k for which sum(first k primes) = 3*prime(m) for some m.

n	a(n)
1	10
2	16
3	18
4	28
5	32
6	34
7	36
8	44
9	46
10	54
11	82
12	136
13	138
14	246
15	250
16	276
17	286
18	362
19	370
20	378
21	390
22	554
23	570
24	586
25	588
26	668
27	678
28	684
29	688
30	690
31	726
32	766
33	770
34	826
35	856
36	860
37	878
38	880
39	888
40	924
41	928
42	932
43	956
44	962
45	1048
46	1160
47	1174
48	1210
49	1264
50	1286
51	1292
52	1506

[10, 16, 18, 28, 32, 34, 36, 44, 46, 54, 82, 136, 138, 246, 250, 276, 286, 362, 370, 378, 390, 554, 570, 586, 588, 668, 678, 684, 688, 690, 726, 766, 770, 826, 856, 860, 878, 880, 888, 924, 928, 932, 956, 962, 1048, 1160, 1174, 1210, 1264, 1286, 1292, 1506]

cp's OEIS Frontend

A228491 Numbers k for which sum(first k primes) = 3*prime(m) for some m.

Table of values

List of values