A152916 - cp's OEIS frontend

A152916 Tetrahedral numbers k(k+1)(k+2)/6 such that exactly two of k, k+1, and k+2 are prime.

n	a(n)
1	1
2	4
3	10
4	35
5	286
6	969
7	4495
8	12341
9	35990
10	62196
11	176851
12	209934
13	437989
14	562475
15	971970
16	1179616
17	1293699
18	1975354
19	2303960
20	3280455
21	3737581
22	5061836
23	7023974
24	12347930
25	13436856
26	16435111
27	23706021
28	30865405
29	35999900
30	39338069

[1, 4, 10, 35, 286, 969, 4495, 12341, 35990, 62196, 176851, 209934, 437989, 562475, 971970, 1179616, 1293699, 1975354, 2303960, 3280455, 3737581, 5061836, 7023974, 12347930, 13436856, 16435111, 23706021, 30865405, 35999900, 39338069]

cp's OEIS Frontend

A152916 Tetrahedral numbers k(k+1)(k+2)/6 such that exactly two of k, k+1, and k+2 are prime.

Table of values

List of values

cp's OEIS Frontend

A152916 Tetrahedral numbers k*(k+1)*(k+2)/6 such that exactly two of k, k+1, and k+2 are prime.

Table of values

List of values

A152916 Tetrahedral numbers k(k+1)(k+2)/6 such that exactly two of k, k+1, and k+2 are prime.