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A061850 Squares whose consecutive digits vary by at most 1. 0
0, 1, 4, 9, 100, 121, 676, 10000, 12100, 12321, 1000000, 1210000, 1232100, 1234321, 100000000, 121000000, 123210000, 123432100, 123454321, 10000000000, 12100000000, 12321000000, 12343210000, 12345432100, 12345654321 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..24.

EXAMPLE

676 = 26^2 and 6 and 7 differ by at most 1

MATHEMATICA

For[i=1, i>0, i++, a=IntegerDigits[i^2]; b=Max[Abs[a-RotateRight[a]]]; If[b<2, Print[i^2]]]

CROSSREFS

Sequence in context: A129967 A182020 A087553 * A061459 A061869 A061270

Adjacent sequences:  A061847 A061848 A061849 * A061851 A061852 A061853

KEYWORD

base,nonn

AUTHOR

Erich Friedman, Jun 23 2001

STATUS

approved

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Last modified February 27 19:10 EST 2020. Contains 332308 sequences. (Running on oeis4.)