A185685 - cp's OEIS frontend

A185685 Irregular triangle, read by rows, of primes with prefix n and digits "7" appended, otherwise 0.

n	a(n)
1	17
2	0
3	37
4	47
5	0
6	67
7	677
8	0
9	0
10	97
11	977
12	107
13	0
14	127
15	1277
16	137
17	0
18	157
19	167
20	0
21	0
22	197
23	0
24	0
25	227
26	0
27	0
28	257
29	0
30	277
31	2777
32	0
33	0
34	307
35	317
36	0
37	337
38	347
39	0
40	367
41	3677
42	0
43	0
44	397
45	0
46	0
47	0
48	0
49	0
50	457
51	467
52	0
53	487
54	4877
55	0
56	0
57	0
58	0
59	0
60	547
61	5477
62	557
63	0
64	577
65	587
66	0
67	607
68	617
69	0
70	0

[17, 0, 37, 47, 0, 67, 677, 0, 0, 97, 977, 107, 0, 127, 1277, 137, 0, 157, 167, 0, 0, 197, 0, 0, 227, 0, 0, 257, 0, 277, 2777, 0, 0, 307, 317, 0, 337, 347, 0, 367, 3677, 0, 0, 397, 0, 0, 0, 0, 0, 457, 467, 0, 487, 4877, 0, 0, 0, 0, 0, 547, 5477, 557, 0, 577, 587, 0, 607, 617, 0, 0]

cp's OEIS Frontend

A185685 Irregular triangle, read by rows, of primes with prefix n and digits "7" appended, otherwise 0.

Table of values

List of values