A126251 - cp's OEIS frontend

A126251 a(n) = (p+2)!/p! where p is the n-th lesser twin prime, A001359(n).

n	a(n)
1	20
2	42
3	156
4	342
5	930
6	1806
7	3660
8	5256
9	10506
10	11772
11	19182
12	22650
13	32580
14	37056
15	39402
16	52212
17	57840
18	73170
19	79806
20	97656
21	121452
22	176820
23	187056
24	213906
25	273006
26	325470
27	360600
28	382542
29	412806
30	436260
31	656910
32	676506
33	686412
34	737022
35	778806

[20, 42, 156, 342, 930, 1806, 3660, 5256, 10506, 11772, 19182, 22650, 32580, 37056, 39402, 52212, 57840, 73170, 79806, 97656, 121452, 176820, 187056, 213906, 273006, 325470, 360600, 382542, 412806, 436260, 656910, 676506, 686412, 737022, 778806]

cp's OEIS Frontend

A126251 a(n) = (p+2)!/p! where p is the n-th lesser twin prime, A001359(n).

Table of values

List of values