1,2

Table of n, a(n) for n=1..57.

a(4) = 6 and 1236 is a multiple of 4.

Cf. A084397.

Cf. A051883, A073894.

Sequence in context: A120754 A023547 A190690 * A090035 A337611 A325724

Adjacent sequences: A084393 A084394 A084395 * A084397 A084398 A084399

base,nonn

Amarnath Murthy, May 31 2003

More terms from David Wasserman, Dec 21 2004

approved