A101754 - cp's OEIS frontend

A101754 Numbers n such that the sum of the first n decimal places of Catalan's constant is prime.

n	a(n)
1	9
2	11
3	14
4	22
5	23
6	25
7	31
8	32
9	39
10	45
11	46
12	55
13	56
14	57
15	63
16	64
17	68
18	73
19	78
20	81
21	84
22	90
23	94
24	112
25	115
26	117
27	162
28	163
29	169
30	172
31	179
32	184
33	200
34	208
35	212
36	221
37	227
38	233
39	240
40	253
41	270
42	272
43	283
44	290
45	303
46	327
47	329
48	339
49	345
50	347
51	348
52	365
53	378
54	381
55	396
56	398
57	409

[9, 11, 14, 22, 23, 25, 31, 32, 39, 45, 46, 55, 56, 57, 63, 64, 68, 73, 78, 81, 84, 90, 94, 112, 115, 117, 162, 163, 169, 172, 179, 184, 200, 208, 212, 221, 227, 233, 240, 253, 270, 272, 283, 290, 303, 327, 329, 339, 345, 347, 348, 365, 378, 381, 396, 398, 409]

cp's OEIS Frontend

A101754 Numbers n such that the sum of the first n decimal places of Catalan's constant is prime.

Table of values

List of values

n	a(n)
1	9
2	11
3	14
4	22
5	23
6	25
7	31
8	32
9	39
10	45
11	46
12	55
13	56
14	57
15	63
16	64
17	68
18	73
19	78
20	81
21	84
22	90
23	94
24	112
25	115
26	117
27	162
28	163
29	169
30	172
31	179
32	184
33	200
34	208
35	212
36	221
37	227
38	233
39	240
40	253
41	270
42	272
43	283
44	290
45	303
46	327
47	329
48	339
49	345
50	347
51	348
52	365
53	378
54	381
55	396
56	398
57	409

n	a(n)
1	9
2	11
3	14
4	22
5	23
6	25
7	31
8	32
9	39
10	45
11	46
12	55
13	56
14	57
15	63
16	64
17	68
18	73
19	78
20	81
21	84
22	90
23	94
24	112
25	115
26	117
27	162
28	163
29	169
30	172
31	179
32	184
33	200
34	208
35	212
36	221
37	227
38	233
39	240
40	253
41	270
42	272
43	283
44	290
45	303
46	327
47	329
48	339
49	345
50	347
51	348
52	365
53	378
54	381
55	396
56	398
57	409

n	a(n)
1	9
2	11
3	14
4	22
5	23
6	25
7	31
8	32
9	39
10	45
11	46
12	55
13	56
14	57
15	63
16	64
17	68
18	73
19	78
20	81
21	84
22	90
23	94
24	112
25	115
26	117
27	162
28	163
29	169
30	172
31	179
32	184
33	200
34	208
35	212
36	221
37	227
38	233
39	240
40	253
41	270
42	272
43	283
44	290
45	303
46	327
47	329
48	339
49	345
50	347
51	348
52	365
53	378
54	381
55	396
56	398
57	409