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A072825
Numbers k such that k^2 - 1 is a highly composite number.
1
5, 7, 11, 19, 29, 41, 71, 4159
OFFSET
1,1
COMMENTS
All are primes so far.
CROSSREFS
Cf. A002182.
Sequence in context: A341215 A136086 A182121 * A045440 A023235 A118918
KEYWORD
nonn,more,hard
AUTHOR
Shyam Sunder Gupta, Jul 21 2002
EXTENSIONS
Edited by Robert G. Wilson v, Jul 24 2002
STATUS
approved