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A015969
Numbers k that divide 16^k + 1.
10
1, 17, 289, 4913, 83521, 1419857, 6029713, 12027313, 24137569, 85525793, 102505121, 204464321, 410338673, 1453938481, 1742587057, 3475893457, 6975757441, 24716954177, 29623979969, 59090188769, 111612202577, 118587876497, 420188221009, 500540685121, 503607659473
OFFSET
1,2
LINKS
Giovanni Resta, Table of n, a(n) for n = 1..34 (terms < 10^13)
KEYWORD
nonn
EXTENSIONS
More terms from Max Alekseyev, Oct 02 2010
Missing terms a(10), a(14), a(18), and a(23) from Giovanni Resta, Mar 23 2020
STATUS
approved