login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Squares in which each digit exceeds the previous digit by more than one.
1

%I #8 Jan 17 2014 17:24:05

%S 0,1,4,9,16,25,36,49,169,1369

%N Squares in which each digit exceeds the previous digit by more than one.

%e 256 is not a term because 6-5=1.

%t Select[Range[0, 40]^2, Min[Differences[IntegerDigits[#]]]>1&] (* _Vincenzo Librandi_, Jan 17 2014 *)

%Y A subsequence of A122683.

%K nonn,base,fini,full

%O 1,3

%A _N. J. A. Sloane_, Jan 16 2014, following a suggestion from _Vincenzo Librandi_.