A048536 Smallest oblong (promic) number containing exactly n 3's.

30, 1332, 33306, 3303306, 23333730, 33333302, 23433333320, 333339373380, 13393363833330, 337333336323132, 33333334306433532, 332333844339333332, 3383333633731033332, 313337139333377333330, 1335333331339333343030, 236133338333333323833132, 3293333837330583333333332

Offset: 1

Author

Patrick De Geest, May 15 1999

Keywords

• nonn
• base

Links

• Eric Weisstein's World of Mathematics, Pronic Number

Crossrefs

Cf. A048535, A002378.

Cf. A048530, A048532, A048534, A048538, A048540, A048542, A048544, A048546, A048548.

Extensions

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