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A002142
Primes p == 1 (mod 4) where class number of Q(sqrt p) increases.
(Formerly M4032 N1673)
2
5, 229, 401, 577, 1129, 1297, 7057, 8761, 14401, 32401, 41617, 57601, 90001
OFFSET
1,1
REFERENCES
D. Shanks, Review of "K. E. Kloss et al., Class number of primes of the form 4n+1", Math. Comp., 23 (1969), 213-214.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
D. Shanks, Review of "K. E. Kloss et al., Class number of primes of the form 4n+1", Math. Comp., 23 (1969), 213-214. [Annotated scanned preprint of review]
CROSSREFS
Sequence in context: A201491 A181584 A300390 * A355878 A103732 A355877
KEYWORD
nonn
STATUS
approved