A113161 - cp's OEIS frontend

A113161 a(1) = 1; for n > 1, a(n) = largest prime <= a(n-1) + n - 1.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	17
8	23
9	31
10	37
11	47
12	53
13	61
14	73
15	83
16	97
17	113
18	127
19	139
20	157
21	173
22	193
23	211
24	233
25	257
26	281
27	307
28	331
29	359
30	383
31	409
32	439
33	467
34	499
35	523
36	557
37	593
38	619
39	653
40	691
41	727
42	761
43	797
44	839
45	883
46	919
47	953
48	997
49	1039
50	1087
51	1129
52	1171
53	1223
54	1259
55	1307

[1, 2, 3, 5, 7, 11, 17, 23, 31, 37, 47, 53, 61, 73, 83, 97, 113, 127, 139, 157, 173, 193, 211, 233, 257, 281, 307, 331, 359, 383, 409, 439, 467, 499, 523, 557, 593, 619, 653, 691, 727, 761, 797, 839, 883, 919, 953, 997, 1039, 1087, 1129, 1171, 1223, 1259, 1307]

cp's OEIS Frontend

A113161 a(1) = 1; for n > 1, a(n) = largest prime <= a(n-1) + n - 1.

Table of values

List of values