|
| |
|
|
A109935
|
|
Least common multiple of the digit reversals of the first n natural numbers.
|
|
0
| |
|
|
1, 2, 6, 12, 60, 60, 420, 840, 2520, 2520, 27720, 27720, 859320, 35232120, 598946040, 36535708440, 2594035299240, 23346317693160, 303502130011080, 303502130011080, 303502130011080, 303502130011080, 1214008520044320
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,2
|
|
|
COMMENTS
| a(1) to a(12) are the same as in A003418.
|
|
|
MAPLE
| rev:=proc(n) local nn, nnn: nn:=convert(n, base, 10): add(nn[nops(nn)+1-j]*10^(j-1), j=1..nops(nn)) end: a:=n->lcm(seq(rev(j), j=1..n)): seq(a(n), n=1..27); (Deutsch)
|
|
|
CROSSREFS
| Sequence in context: A085911 A058312 A003418 * A065887 A072181 A126915
Adjacent sequences: A109932 A109933 A109934 * A109936 A109937 A109938
|
|
|
KEYWORD
| base,nonn
|
|
|
AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 19 2005
|
|
|
EXTENSIONS
| Corrected and extended by Emeric Deutsch (deutsch(AT)duke.poly.edu) and Erich Friedman (efriedma(AT)stetson.edu), Aug 03 2005
|
| |
|
|
