A235597 - OEIS

A235597

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

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

EXAMPLE

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

MATHEMATICA

Select[Range[0, 40]^2, Min[Differences[IntegerDigits[#]]]>1&] (* Vincenzo Librandi, Jan 17 2014 *)

CROSSREFS

A subsequence of A122683.

KEYWORD

nonn,base,fini,full

AUTHOR

N. J. A. Sloane, Jan 16 2014, following a suggestion from Vincenzo Librandi.

STATUS

approved