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A216575
Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 10*b^2.
0
5, 13, 17, 37, 41, 53, 61, 113, 313, 353, 613, 617, 1097, 1361, 4793, 7741, 14449, 19469, 35449, 51169, 89849, 140057, 159521, 183089, 193201, 344293, 387433, 443609, 532277, 631181, 651821
OFFSET
1,1
CROSSREFS
Sequence in context: A211425 A245906 A191108 * A306626 A053028 A189411
KEYWORD
nonn
AUTHOR
V. Raman, Sep 08 2012
STATUS
approved