A082026 - OEIS

A082026

a(1)=5; a(n) is concatenation of squares of digits in a(n-1) (in base 10).

5, 25, 425, 16425, 13616425, 193613616425, 181936193613616425, 164181936181936193613616425, 13616164181936164181936181936193613616425, 19361361361616418193613616164181936164181936181936193613616425

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

OFFSET

1,1

COMMENTS

If m is a member of the sequence represented by k digits in base 10, all members greater than m are congruent to m mod 10^k.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

The squares of the digits in the third term, 425, are 16, 4 and 25; hence a(4)=16425.

CROSSREFS

Cf. A061588.

Sequence in context: A285602 A072324 A204544 * A101392 A078260 A007185

Adjacent sequences: A082023 A082024 A082025 * A082027 A082028 A082029

KEYWORD

base,easy,nonn

AUTHOR

Matthew Vandermast, Apr 01 2003

STATUS

approved