A232239 - cp's OEIS frontend

A232239 Lesser of twin-bin primes: primes p such that p+2, x and y are primes, where x is concatenation of binary representations of p and p+2, and y is concatenation of binary representations of p+2 and p: x = p * 2^A070939(p+2) + p+2, y = (p+2) * 2^A070939(p) + p.

n	a(n)
1	3
2	5
3	269
4	16649
5	27689
6	29129
7	82889
8	93239
9	129629
10	274199
11	289169
12	309479
13	336899
14	349079
15	371339
16	374639
17	415109
18	454709
19	463889
20	492719
21	1051079
22	1063919
23	1127309
24	1198289
25	1209779
26	1229519
27	1268789
28	1350959
29	1354649
30	1355279
31	1392539
32	1430879
33	1547129
34	1551959

[3, 5, 269, 16649, 27689, 29129, 82889, 93239, 129629, 274199, 289169, 309479, 336899, 349079, 371339, 374639, 415109, 454709, 463889, 492719, 1051079, 1063919, 1127309, 1198289, 1209779, 1229519, 1268789, 1350959, 1354649, 1355279, 1392539, 1430879, 1547129, 1551959]

cp's OEIS Frontend

A232239 Lesser of twin-bin primes: primes p such that p+2, x and y are primes, where x is concatenation of binary representations of p and p+2, and y is concatenation of binary representations of p+2 and p: x = p * 2^A070939(p+2) + p+2, y = (p+2) * 2^A070939(p) + p.

Table of values

List of values