login
A239460
Concatenation of n^2 and n^3.
6
11, 48, 927, 1664, 25125, 36216, 49343, 64512, 81729, 1001000, 1211331, 1441728, 1692197, 1962744, 2253375, 2564096, 2894913, 3245832, 3616859, 4008000, 4419261, 48410648, 52912167, 57613824, 62515625, 67617576, 72919683, 78421952, 84124389, 90027000
OFFSET
1,1
COMMENTS
a(n) is divisible by n^2.
LINKS
EXAMPLE
a(9) = 81729 because 81 = 9^2 and 729 = 9^3.
MATHEMATICA
Table[ToExpression[ToString[n^2]<>ToString[n^3]], {n, 1, 30}] (* Vaclav Kotesovec, Mar 24 2014 *)
Table[FromDigits[Join[Flatten[IntegerDigits[{n^2, n^3}]]]], {n, 30}] (* Harvey P. Dale, Oct 27 2019 *)
PROG
(PARI) vector(100, n, eval(Str(n^2, n^3)))
KEYWORD
nonn,base
AUTHOR
Colin Barker, Mar 19 2014
STATUS
approved