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A002970 Numbers n such that 4 n^2 + 9 is prime.
(Formerly M3248)
+0
1
1, 4, 5, 10, 16, 19, 20, 26, 29, 31, 35, 41, 43, 49, 50, 55, 56, 59, 70, 71, 80, 85, 94, 95, 100, 101, 106, 109, 110, 121, 149, 154, 160, 166, 175, 179, 184, 190, 191, 200, 205 (list; graph; listen)
OFFSET

1,2

REFERENCES

E. Kogbetliantz and A. Krikorian, Handbook of First Complex Prime Numbers, Gordon and Breach, NY, 1971, p. 1.

CROSSREFS

Adjacent sequences: A002967 A002968 A002969 this_sequence A002971 A002972 A002973

Sequence in context: A131780 A102006 A118735 this_sequence A073611 A058594 A022309

KEYWORD

nonn

AUTHOR

njas

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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