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A110723
a(n) = A110722(n)/121.
5
0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 910, 10201, 21312, 34243, 48994, 65565, 83956, 104167, 126198, 150049, 3640, 21312, 40804, 62116, 85248, 110200, 136972, 165564, 195976, 228208, 8190, 34243, 62116, 91809, 123322, 156655, 191808, 228781
OFFSET
0,3
LINKS
FORMULA
When n has one digit a(n)=n^2. When n has two digits a(n)= 910*x^2 + 8381*x*y + 910*y^2. (Here x,y are the digits of n.). - _Keith Schneider_, Jun 16 2007
EXAMPLE
a(13) = A110722(13)/121 = 4143403/121 = 34243.
MATHEMATICA
Table[FromDigits[Join[IntegerDigits[n], Reverse[IntegerDigits[n]]]]* FromDigits[Join[Reverse[IntegerDigits[n]], IntegerDigits[n]]]/121, {n, 0, 50}] (* G. C. Greubel, Sep 06 2017 *)
CROSSREFS
Cf. A110722.
Sequence in context: A077357 A294497 A080160 * A376215 A084617 A179126
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Aug 09 2005
EXTENSIONS
Corrected and extended by James Greene (jmg482(AT)psu.edu), Apr 07 2006
STATUS
approved