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A048534 Smallest oblong (promic) number containing exactly n 2's. 10
2, 272, 20022, 210222, 2127222, 112222242, 1329222222, 222721228422, 222222202620, 12225222042222, 222922622262242, 22222622629269222, 222262242222052122, 22222222222226402, 222222624222746822222, 13222522222222257222852, 222222225263222925292272 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..17.
Eric Weisstein's World of Mathematics, Pronic Number
CROSSREFS
Cf. A048533, A002378.
Cf. A048530, A048532, A048536, A048538, A048540, A048542, A048544, A048546, A048548.
Sequence in context: A318171 A324596 A007512 * A135696 A008775 A237993
Adjacent sequences: A048531 A048532 A048533 * A048535 A048536 A048537
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, May 15 1999
EXTENSIONS
a(15)-a(17) from Giovanni Resta, Oct 09 2019
STATUS
approved

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Last modified June 5 08:30 EDT 2024. Contains 373102 sequences. (Running on oeis4.)