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A109547
Admirable oblong numbers.
0
12, 20, 30, 42, 56, 650, 812, 992, 16256, 67100672, 17179738112, 274877382656, 1125625079263232, 4611686016279904256
OFFSET
1,1
COMMENTS
a(15) <= 18889393874090701094912. - Donovan Johnson, Jun 20 2011
CROSSREFS
Sequence in context: A256883 A124672 A289980 * A334418 A269453 A082800
KEYWORD
more,nonn
AUTHOR
Jason Earls, Aug 30 2005
EXTENSIONS
a(12)-a(13) from Donovan Johnson, Jul 15 2009
a(14) from Donovan Johnson, Jun 21 2011
STATUS
approved