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A031886
Lucky numbers with size of gaps equal to 4 (lower terms).
3
3, 9, 21, 33, 63, 69, 75, 111, 129, 159, 189, 201, 219, 231, 237, 285, 303, 327, 357, 429, 483, 537, 579, 615, 639, 651, 723, 735, 741, 777, 801, 819, 927, 933, 957, 975, 993, 1053, 1101, 1179, 1197, 1245, 1281, 1365, 1455, 1491, 1497, 1563
OFFSET
1,1
COMMENTS
This is to lucky numbers (A000959) as smaller member p of cousin prime pairs (A023200) is to primes (A000040). - Jonathan Vos Post, May 08 2007
LINKS
CROSSREFS
Cf. A000959.
Sequence in context: A351894 A286590 A061978 * A147458 A169927 A287057
KEYWORD
nonn
STATUS
approved