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%I #12 Mar 16 2022 20:13:38
%S 2,272,20022,210222,2127222,112222242,1329222222,222721228422,
%T 222222202620,12225222042222,222922622262242,22222622629269222,
%U 222262242222052122,22222222222226402,222222624222746822222,13222522222222257222852,222222225263222925292272
%N Smallest oblong (promic) number containing exactly n 2's.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PronicNumber.html">Pronic Number</a>
%Y Cf. A048533, A002378.
%Y Cf. A048530, A048532, A048536, A048538, A048540, A048542, A048544, A048546, A048548.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, May 15 1999
%E a(15)-a(17) from _Giovanni Resta_, Oct 09 2019
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