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A109547 Admirable oblong numbers. 0
12, 20, 30, 42, 56, 650, 812, 992, 16256, 67100672, 17179738112, 274877382656, 1125625079263232, 4611686016279904256 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(15) <= 18889393874090701094912. - Donovan Johnson, Jun 20 2011

LINKS

Table of n, a(n) for n=1..14.

CROSSREFS

Cf. A002378, A111592.

Sequence in context: A256883 A124672 A289980 * A334418 A269453 A082800

Adjacent sequences:  A109544 A109545 A109546 * A109548 A109549 A109550

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

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Last modified May 16 14:39 EDT 2021. Contains 343949 sequences. (Running on oeis4.)