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A066551
Let N =149162536496481100121441691962252562893243614..., the concatenation of the squares. a(n) is the n-digit number formed from the digits of N starting from the {n(n-1)/2 +1}th digit. Omit any leading zeros.
2
1, 49, 162, 5364, 96481, 100121, 1441691, 96225256, 289324361, 4004414845, 29576625676, 729784841900, 9611024108911, 56122512961369, 144415211600168, 1176418491936202, 52116220923042401, 250026012704280929
OFFSET
1,2
COMMENTS
Are there any squares in this sequence other than 1 and 49?
MATHEMATICA
With[{c=Flatten[IntegerDigits/@(Range[100]^2)]}, Table[FromDigits[Take[c, {(n(n-1))/2+1, (n(n-1))/2+n}]], {n, 20}]] (* Harvey P. Dale, Jul 21 2012 *)
CROSSREFS
Sequence in context: A226146 A339730 A338011 * A134210 A009409 A009431
KEYWORD
nonn,base
AUTHOR
Amarnath Murthy, Dec 16 2001
EXTENSIONS
Corrected and extended by Lior Manor Feb 13 2002
STATUS
approved