A249435 - cp's OEIS frontend

A249435 a(1) = 0, after which one less than prime powers p^m with exponent m >= 2.

n	a(n)
1	0
2	3
3	7
4	8
5	15
6	24
7	26
8	31
9	48
10	63
11	80
12	120
13	124
14	127
15	168
16	242
17	255
18	288
19	342
20	360
21	511
22	528
23	624
24	728
25	840
26	960
27	1023
28	1330
29	1368
30	1680
31	1848
32	2047
33	2186
34	2196
35	2208
36	2400
37	2808
38	3124
39	3480
40	3720
41	4095
42	4488
43	4912
44	5040
45	5328
46	6240
47	6560
48	6858
49	6888
50	7920
51	8191
52	9408
53	10200
54	10608
55	11448

[0, 3, 7, 8, 15, 24, 26, 31, 48, 63, 80, 120, 124, 127, 168, 242, 255, 288, 342, 360, 511, 528, 624, 728, 840, 960, 1023, 1330, 1368, 1680, 1848, 2047, 2186, 2196, 2208, 2400, 2808, 3124, 3480, 3720, 4095, 4488, 4912, 5040, 5328, 6240, 6560, 6858, 6888, 7920, 8191, 9408, 10200, 10608, 11448]

cp's OEIS Frontend

A249435 a(1) = 0, after which one less than prime powers p^m with exponent m >= 2.

Table of values

List of values