A202706 - cp's OEIS frontend

A202706 Numbers k such that (sum of digits of k!) / 9 is prime.

n	a(n)
1	9
2	10
3	12
4	13
5	14
6	15
7	16
8	17
9	19
10	21
11	23
12	30
13	36
14	37
15	45
16	52
17	53
18	54
19	55
20	56
21	63
22	67
23	71
24	78
25	82
26	84
27	88
28	89
29	94
30	98
31	101
32	106
33	109
34	110
35	124
36	126
37	127
38	131
39	132
40	137
41	139
42	141
43	144
44	146
45	170
46	175
47	195
48	199
49	224
50	255
51	263
52	267
53	270
54	271
55	276
56	277
57	278
58	281

[9, 10, 12, 13, 14, 15, 16, 17, 19, 21, 23, 30, 36, 37, 45, 52, 53, 54, 55, 56, 63, 67, 71, 78, 82, 84, 88, 89, 94, 98, 101, 106, 109, 110, 124, 126, 127, 131, 132, 137, 139, 141, 144, 146, 170, 175, 195, 199, 224, 255, 263, 267, 270, 271, 276, 277, 278, 281]

cp's OEIS Frontend

A202706 Numbers k such that (sum of digits of k!) / 9 is prime.

Table of values

List of values

n	a(n)
1	9
2	10
3	12
4	13
5	14
6	15
7	16
8	17
9	19
10	21
11	23
12	30
13	36
14	37
15	45
16	52
17	53
18	54
19	55
20	56
21	63
22	67
23	71
24	78
25	82
26	84
27	88
28	89
29	94
30	98
31	101
32	106
33	109
34	110
35	124
36	126
37	127
38	131
39	132
40	137
41	139
42	141
43	144
44	146
45	170
46	175
47	195
48	199
49	224
50	255
51	263
52	267
53	270
54	271
55	276
56	277
57	278
58	281

n	a(n)
1	9
2	10
3	12
4	13
5	14
6	15
7	16
8	17
9	19
10	21
11	23
12	30
13	36
14	37
15	45
16	52
17	53
18	54
19	55
20	56
21	63
22	67
23	71
24	78
25	82
26	84
27	88
28	89
29	94
30	98
31	101
32	106
33	109
34	110
35	124
36	126
37	127
38	131
39	132
40	137
41	139
42	141
43	144
44	146
45	170
46	175
47	195
48	199
49	224
50	255
51	263
52	267
53	270
54	271
55	276
56	277
57	278
58	281

n	a(n)
1	9
2	10
3	12
4	13
5	14
6	15
7	16
8	17
9	19
10	21
11	23
12	30
13	36
14	37
15	45
16	52
17	53
18	54
19	55
20	56
21	63
22	67
23	71
24	78
25	82
26	84
27	88
28	89
29	94
30	98
31	101
32	106
33	109
34	110
35	124
36	126
37	127
38	131
39	132
40	137
41	139
42	141
43	144
44	146
45	170
46	175
47	195
48	199
49	224
50	255
51	263
52	267
53	270
54	271
55	276
56	277
57	278
58	281