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A081999
First row of array in A081998.
4
1, 2, 7, 9, 29, 31, 71, 73, 143, 149, 229, 233, 359, 361, 485, 487, 629, 631, 821, 823, 1031, 1033, 1277, 1279, 1553, 1559, 1873, 1877, 2221, 2237, 2593, 2599, 2971, 2999, 3433, 3449, 3907, 3911, 4429, 4441, 4969, 4973, 5557, 5561, 6131, 6133, 6761, 6763
OFFSET
0,2
LINKS
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Apr 05 2003
EXTENSIONS
a(4)-a(47) from Charlie Neder, Aug 31 2018
STATUS
approved