A278972 - OEIS

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

(list; graph; refs; listen; history; text; internal format)

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