A281878 - cp's OEIS frontend

A281878 The sum of two successive terms is prime and the sum of two successive digits is also prime.

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	8
7	5
8	6
9	7
10	412
11	9
12	20
13	21
14	16
15	111
16	112
17	121
18	120
19	29
20	212
21	11
22	12
23	125
24	234
25	149
26	230
27	203
28	216
29	143
30	258
31	305
32	252
33	167
34	432
35	161
36	116
37	123
38	214
39	165
40	202
41	129
42	238
43	303
44	298
45	321
46	250
47	207
48	434
49	323
50	294
51	307
52	612
53	325
54	232
55	141
56	256
57	505
58	292
59	147
60	416
61	503
62	438
63	349
64	474
65	347
66	414
67	329
68	492
69	385
70	676
71	525
72	656
73	507

[0, 2, 1, 4, 3, 8, 5, 6, 7, 412, 9, 20, 21, 16, 111, 112, 121, 120, 29, 212, 11, 12, 125, 234, 149, 230, 203, 216, 143, 258, 305, 252, 167, 432, 161, 116, 123, 214, 165, 202, 129, 238, 303, 298, 321, 250, 207, 434, 323, 294, 307, 612, 325, 232, 141, 256, 505, 292, 147, 416, 503, 438, 349, 474, 347, 414, 329, 492, 385, 676, 525, 656, 507]

cp's OEIS Frontend

A281878 The sum of two successive terms is prime and the sum of two successive digits is also prime.

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	8
7	5
8	6
9	7
10	412
11	9
12	20
13	21
14	16
15	111
16	112
17	121
18	120
19	29
20	212
21	11
22	12
23	125
24	234
25	149
26	230
27	203
28	216
29	143
30	258
31	305
32	252
33	167
34	432
35	161
36	116
37	123
38	214
39	165
40	202
41	129
42	238
43	303
44	298
45	321
46	250
47	207
48	434
49	323
50	294
51	307
52	612
53	325
54	232
55	141
56	256
57	505
58	292
59	147
60	416
61	503
62	438
63	349
64	474
65	347
66	414
67	329
68	492
69	385
70	676
71	525
72	656
73	507

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	8
7	5
8	6
9	7
10	412
11	9
12	20
13	21
14	16
15	111
16	112
17	121
18	120
19	29
20	212
21	11
22	12
23	125
24	234
25	149
26	230
27	203
28	216
29	143
30	258
31	305
32	252
33	167
34	432
35	161
36	116
37	123
38	214
39	165
40	202
41	129
42	238
43	303
44	298
45	321
46	250
47	207
48	434
49	323
50	294
51	307
52	612
53	325
54	232
55	141
56	256
57	505
58	292
59	147
60	416
61	503
62	438
63	349
64	474
65	347
66	414
67	329
68	492
69	385
70	676
71	525
72	656
73	507

n	a(n)
1	0
2	2
3	1
4	4
5	3
6	8
7	5
8	6
9	7
10	412
11	9
12	20
13	21
14	16
15	111
16	112
17	121
18	120
19	29
20	212
21	11
22	12
23	125
24	234
25	149
26	230
27	203
28	216
29	143
30	258
31	305
32	252
33	167
34	432
35	161
36	116
37	123
38	214
39	165
40	202
41	129
42	238
43	303
44	298
45	321
46	250
47	207
48	434
49	323
50	294
51	307
52	612
53	325
54	232
55	141
56	256
57	505
58	292
59	147
60	416
61	503
62	438
63	349
64	474
65	347
66	414
67	329
68	492
69	385
70	676
71	525
72	656
73	507