A333615 - cp's OEIS frontend

A333615 a(n) is the number of ways to express 2*n+1 as a sum of parts x such that x+2 is an odd prime.

n	a(n)
0	1
1	2
2	3
3	4
4	7
5	10
6	13
7	20
8	26
9	34
10	48
11	61
12	78
13	103
14	129
15	162
16	206
17	256
18	314
19	391
20	479
21	579
22	711
23	859
24	1028
25	1243
26	1485
27	1764
28	2107
29	2497
30	2941
31	3477
32	4092
33	4783
34	5610
35	6557
36	7615
37	8872
38	10303
39	11901
40	13781
41	15910
42	18292
43	21062
44	24196
45	27697
46	31726
47	36287

[1, 2, 3, 4, 7, 10, 13, 20, 26, 34, 48, 61, 78, 103, 129, 162, 206, 256, 314, 391, 479, 579, 711, 859, 1028, 1243, 1485, 1764, 2107, 2497, 2941, 3477, 4092, 4783, 5610, 6557, 7615, 8872, 10303, 11901, 13781, 15910, 18292, 21062, 24196, 27697, 31726, 36287]

cp's OEIS Frontend

A333615 a(n) is the number of ways to express 2*n+1 as a sum of parts x such that x+2 is an odd prime.

Table of values

List of values