A215474 - cp's OEIS frontend

A215474 Triangle read by rows: number of k-ary n-tuples (a_1,..,a_n) such that the string a_1...a_n is preprime.

n	a(n)
1	1
2	1
3	3
4	1
5	5
6	14
7	1
8	8
9	32
10	90
11	1
12	14
13	80
14	294
15	829
16	1
17	23
18	196
19	964
20	3409
21	9695
22	1
23	41
24	508
25	3304
26	14569
27	49685
28	141280
29	1
30	71
31	1318
32	11464
33	63319
34	259475
35	861580
36	2447592
37	1
38	127
39	3502
40	40584
41	280319
42	1379195
43	5345276
44	17360616
45	49212093
46	1
47	226
48	9382

[1, 1, 3, 1, 5, 14, 1, 8, 32, 90, 1, 14, 80, 294, 829, 1, 23, 196, 964, 3409, 9695, 1, 41, 508, 3304, 14569, 49685, 141280, 1, 71, 1318, 11464, 63319, 259475, 861580, 2447592, 1, 127, 3502, 40584, 280319, 1379195, 5345276, 17360616, 49212093, 1, 226, 9382]

cp's OEIS Frontend

A215474 Triangle read by rows: number of k-ary n-tuples (a_1,..,a_n) such that the string a_1...a_n is preprime.

Table of values

List of values