A331029 - cp's OEIS frontend

A331029 Least integer of each composite prime signature where primes ending in 1 or 9 are treated distinctly from those ending in 3 or 7.

n	a(n)
1	1
2	3
3	9
4	11
5	21
6	27
7	33
8	63
9	81
10	99
11	121
12	189
13	209
14	231
15	243
16	273
17	297
18	363
19	441
20	567
21	627
22	693
23	729
24	819
25	891
26	1089
27	1323
28	1331
29	1701
30	1881
31	2079
32	2187
33	2299
34	2457
35	2541
36	2673
37	3003
38	3267
39	3969
40	3993
41	4389
42	4641
43	4851
44	5103
45	5643
46	5733
47	6061
48	6237
49	6561
50	6897

[1, 3, 9, 11, 21, 27, 33, 63, 81, 99, 121, 189, 209, 231, 243, 273, 297, 363, 441, 567, 627, 693, 729, 819, 891, 1089, 1323, 1331, 1701, 1881, 2079, 2187, 2299, 2457, 2541, 2673, 3003, 3267, 3969, 3993, 4389, 4641, 4851, 5103, 5643, 5733, 6061, 6237, 6561, 6897]

cp's OEIS Frontend

A331029 Least integer of each composite prime signature where primes ending in 1 or 9 are treated distinctly from those ending in 3 or 7.

Table of values

List of values