A379749 - cp's OEIS frontend

A379749 a(n) is the first prime that has digit sum n in base n and n+1 in base n+1.

n	a(n)
2	5
3	7
4	13
5	41
6	31
7	43
8	113
9	73
10	181
11	331
12	397
13	157
14	547
15	211
16	241
17	1361
18	307
19	2053
20	761
21	421
22	463
23	1013
24	1657
25	601
26	1301
27	3511
28	757
29	2437
30	1741
31	1861
32	5953
33	2113
34	1123
35	2381
36	2521
37	6661
38	4219
39	1483
40	3121
41	13121
42	1723
43	3613
44	9461
45	9901
46	6211
47	12973
48	4513
49	7057
50	7351
51	2551
52	15913
53	8269
54	25759
55	2971

[5, 7, 13, 41, 31, 43, 113, 73, 181, 331, 397, 157, 547, 211, 241, 1361, 307, 2053, 761, 421, 463, 1013, 1657, 601, 1301, 3511, 757, 2437, 1741, 1861, 5953, 2113, 1123, 2381, 2521, 6661, 4219, 1483, 3121, 13121, 1723, 3613, 9461, 9901, 6211, 12973, 4513, 7057, 7351, 2551, 15913, 8269, 25759, 2971]

cp's OEIS Frontend

A379749 a(n) is the first prime that has digit sum n in base n and n+1 in base n+1.

Table of values

List of values