login
The non-single or nonisolated numbers whose digits are all square.
1

%I #6 Mar 30 2012 18:52:35

%S 0,1,9,10,11,14,19,40,41,44,49,90,91,94,99,100,101,104,109,110,111,

%T 114,119,140,141,144,149,190,191,194,199,400,404,410,411,414,419,440,

%U 441,444,490,494,900,901,904,909,910,914,940,944,949,990,994,999,1000,1001

%N The non-single or nonisolated numbers whose digits are all square.

%C Square digits are 0, 1, 4 or 9. The non-single or nonisolated numbers are 0, 1, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21,..

%Y Cf. A000290, A157908, A167707.

%K nonn,base,less

%O 1,3

%A _Juri-Stepan Gerasimov_, Nov 17 2009

%E Entries checked by _R. J. Mathar_, May 30 2010