A072570 - cp's OEIS frontend

A072570 Even interprimes i = (p+q)/2 (where p, q are consecutive primes) such that (q-p)/2 is not divisible by 3.

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	42
7	60
8	72
9	102
10	108
11	120
12	138
13	144
14	150
15	180
16	186
17	192
18	198
19	228
20	240
21	246
22	270
23	282
24	288
25	300
26	312
27	324
28	342
29	348
30	414
31	420
32	426
33	432
34	462
35	522
36	552
37	570
38	582
39	600
40	618
41	636
42	642
43	660
44	696
45	714
46	780
47	792
48	810
49	816
50	822
51	828
52	834
53	846
54	858

[4, 6, 12, 18, 30, 42, 60, 72, 102, 108, 120, 138, 144, 150, 180, 186, 192, 198, 228, 240, 246, 270, 282, 288, 300, 312, 324, 342, 348, 414, 420, 426, 432, 462, 522, 552, 570, 582, 600, 618, 636, 642, 660, 696, 714, 780, 792, 810, 816, 822, 828, 834, 846, 858]

cp's OEIS Frontend

A072570 Even interprimes i = (p+q)/2 (where p, q are consecutive primes) such that (q-p)/2 is not divisible by 3.

Table of values

List of values

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	42
7	60
8	72
9	102
10	108
11	120
12	138
13	144
14	150
15	180
16	186
17	192
18	198
19	228
20	240
21	246
22	270
23	282
24	288
25	300
26	312
27	324
28	342
29	348
30	414
31	420
32	426
33	432
34	462
35	522
36	552
37	570
38	582
39	600
40	618
41	636
42	642
43	660
44	696
45	714
46	780
47	792
48	810
49	816
50	822
51	828
52	834
53	846
54	858

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	42
7	60
8	72
9	102
10	108
11	120
12	138
13	144
14	150
15	180
16	186
17	192
18	198
19	228
20	240
21	246
22	270
23	282
24	288
25	300
26	312
27	324
28	342
29	348
30	414
31	420
32	426
33	432
34	462
35	522
36	552
37	570
38	582
39	600
40	618
41	636
42	642
43	660
44	696
45	714
46	780
47	792
48	810
49	816
50	822
51	828
52	834
53	846
54	858

n	a(n)
1	4
2	6
3	12
4	18
5	30
6	42
7	60
8	72
9	102
10	108
11	120
12	138
13	144
14	150
15	180
16	186
17	192
18	198
19	228
20	240
21	246
22	270
23	282
24	288
25	300
26	312
27	324
28	342
29	348
30	414
31	420
32	426
33	432
34	462
35	522
36	552
37	570
38	582
39	600
40	618
41	636
42	642
43	660
44	696
45	714
46	780
47	792
48	810
49	816
50	822
51	828
52	834
53	846
54	858