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A082026 a(1)=5; a(n) is concatenation of squares of digits in a(n-1) (in base 10). 2
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
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
KEYWORD
base,easy,nonn
AUTHOR
Matthew Vandermast, Apr 01 2003
STATUS
approved

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)