OFFSET
1,1
COMMENTS
The square roots of the terms are 203, 805, 1505, 11847, 6461, 413793, 407365, 4273031, 22229049, 26611361, 114710435, ... - Amiram Eldar, May 17 2020
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..20
Eric Weisstein's World of Mathematics, Kravitz Conjecture
FORMULA
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, Apr 01 2011
EXTENSIONS
a(4)-a(5) from Donovan Johnson, Apr 12 2011
a(6)-a(8) from Jack Brennen, May 03 2011
a(9)-a(11) added by Amiram Eldar, May 17 2020, from the data at A188486
Terms a(12) and beyond from Giovanni Resta, May 17 2020
STATUS
approved