A137516 - cp's OEIS frontend

A137516 Let 2n = p + q where p and q are primes. Take the p and q that produce the smallest product, then set a(n) = p*q - 2n.

n	a(n)
2	0
3	3
4	7
5	11
6	23
7	19
8	23
9	47
10	31
11	35
12	71
13	43
14	87
15	131
16	55
17	59
18	119
19	179
20	71
21	143
22	79
23	83
24	167
25	91
26	183
27	275
28	103
29	207
30	311
31	115
32	119
33	239
34	359
35	131
36	263
37	139
38	143
39	287
40	431
41	155
42	311
43	163
44	327
45	491
46	175
47	351
48	527
49	1403
50	191
51	383
52	199
53	203
54	407
55	211
56	215
57	431
58	223
59	447
60	671

[0, 3, 7, 11, 23, 19, 23, 47, 31, 35, 71, 43, 87, 131, 55, 59, 119, 179, 71, 143, 79, 83, 167, 91, 183, 275, 103, 207, 311, 115, 119, 239, 359, 131, 263, 139, 143, 287, 431, 155, 311, 163, 327, 491, 175, 351, 527, 1403, 191, 383, 199, 203, 407, 211, 215, 431, 223, 447, 671]

cp's OEIS Frontend

A137516 Let 2n = p + q where p and q are primes. Take the p and q that produce the smallest product, then set a(n) = p*q - 2n.

Table of values

List of values