0,3

Table of n, a(n) for n=0..9.

a(4) = 6 as using the digits of 1234 one gets six multiples of 4 e.g. 1324,3124,1432,4132,4312 and 3412.

Sequence in context: A306896 A087236 A219910 * A056482 A255466 A286482

Adjacent sequences: A077190 A077191 A077192 * A077194 A077195 A077196

base,nonn

Amarnath Murthy, Nov 01 2002

More terms from Sascha Kurz, Jan 04 2003

approved