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A188488
Abundances of numbers in A188486.
2
41209, 648025, 2265025, 140351409, 41744521, 171224646849, 165946243225, 18258793926961, 494130619444401, 708164534272321, 13158483897889225, 898533377579100025, 12704639019884422009, 2193858155438587225, 2474860800395930371929, 50105354629657660921
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
Eric Weisstein's World of Mathematics, Kravitz Conjecture
FORMULA
a(n) = A033880(A188486(n)). - Amiram Eldar, May 17 2020
CROSSREFS
Sequence in context: A254238 A286891 A183667 * A027577 A235317 A294986
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