A048532 Smallest oblong (promic) number containing exactly n 1's.

12, 110, 11130, 1021110, 104111412, 1151143112, 11141119152, 112311111512, 1111191111030, 151611114111162, 10115118111141192, 111017111111636112, 1111111811261716110, 18161111191151111150, 911115011111211111170, 17711116111217141111112, 110111041311117211111110

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Eric Weisstein's World of Mathematics, Pronic Number

Crossrefs

Cf. A048531, A002378.

Cf. A048530, A048534, A048536, A048538, A048540, A048542, A048544, A048546, A048548.

Sequence in context: A000559 A037714 A037616 * A049102 A075231 A085773

Adjacent sequences: A048529 A048530 A048531 * A048533 A048534 A048535

Keyword

nonn,base

Author

Patrick De Geest, May 15 1999

Extensions

a(13)-a(17) from Giovanni Resta, Oct 09 2019

Status

approved