A109547 Admirable oblong numbers.
12, 20, 30, 42, 56, 650, 812, 992, 16256, 67100672, 17179738112, 274877382656, 1125625079263232, 4611686016279904256
Offset: 1
Extensions
a(12)-a(13) from Donovan Johnson, Jul 15 2009
a(14) from Donovan Johnson, Jun 21 2011
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