OFFSET
0,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
MATHEMATICA
Table[100^(Floor[n/10]) + 2*n*10^(Floor[n/10]), {n, 0, 50}] (* G. C. Greubel, Feb 23 2017 *)
PROG
(PARI) a(n) = (n+5 + 10^(floor((n+5)/10)))^2 - (n+5)^2; for (n=1, 30, print1(" "a(n)" ")) \\ changed n+5 to n. - M. F. Hasler, May 02 2008
(PARI) vector(30, n, n--; 2*n*10^(n\10) + 100^(n\10)) \\ M. F. Hasler, May 02 2008
CROSSREFS
KEYWORD
nonn
AUTHOR
Alexander R. Povolotsky, Apr 23 2008
EXTENSIONS
Edited by M. F. Hasler and N. J. A. Sloane, May 02 2008
STATUS
approved