A278972 Twice the twin primes.

6, 10, 14, 22, 26, 34, 38, 58, 62, 82, 86, 118, 122, 142, 146, 202, 206, 214, 218, 274, 278, 298, 302, 358, 362, 382, 386, 394, 398, 454, 458, 478, 482, 538, 542, 562, 566, 622, 626, 694, 698, 838, 842, 862, 866, 922, 926, 1042, 1046, 1138, 1142, 1198, 1202, 1234, 1238, 1282, 1286

Offset

1,1

Comments

This is one of the sequences found in the pyramid described in A245092. For more information about the pyramid see A237593 and A262626.

Links

Harvey P. Dale, Table of n, a(n) for n = 1..1000

Formula

a(n) = 2 * A001097(n).

Mathematica

2Union[Flatten[Select[Partition[Prime[Range[150]], 2, 1], #[[2]]-#[[1]]==2&]]] (* Harvey P. Dale, Apr 18 2022 *)

Crossrefs

Union of A108605 and A176810.

Subsequence of A100484.

Cf. A001097, A001359, A006512, A114907, A237593, A262626.

Sequence in context: A342192 A119431 A207574 * A241817 A181628 A023387

Adjacent sequences: A278969 A278970 A278971 * A278973 A278974 A278975

Keyword

nonn

Author

Omar E. Pol, Dec 02 2016

Status

approved