A253907 - cp's OEIS frontend

A253907 Numbers n such that n^2 + 3, n^3 + 3, n^4 + 3, n^5 + 3, n^6 + 3 and n^7 + 3 are semiprime.

n	a(n)
1	1
2	976
3	5380
4	16582
5	17864
6	22316
7	27922
8	34930
9	44954
10	50744
11	61264
12	72670
13	107534
14	147776
15	193774
16	195266
17	240170
18	260920
19	265292
20	281582
21	314462
22	337832
23	342014
24	367060
25	379784
26	383930
27	384704
28	392050
29	421226
30	455734
31	463790
32	498134
33	499306
34	510194
35	538384

[1, 976, 5380, 16582, 17864, 22316, 27922, 34930, 44954, 50744, 61264, 72670, 107534, 147776, 193774, 195266, 240170, 260920, 265292, 281582, 314462, 337832, 342014, 367060, 379784, 383930, 384704, 392050, 421226, 455734, 463790, 498134, 499306, 510194, 538384]

cp's OEIS Frontend

A253907 Numbers n such that n^2 + 3, n^3 + 3, n^4 + 3, n^5 + 3, n^6 + 3 and n^7 + 3 are semiprime.

Table of values

List of values