1,1

Table of n, a(n) for n=1..58.

18 is in the sequence since 9 is the largest prime power factor of 18 and 18 is a factor of (9-1)!=8!=40320=18*2240.

Cf. A002034, A034699, A057109, A057110. Distinct from A046790 although similar initial terms.

Sequence in context: A037371 A236300 A046790 * A171425 A143720 A231016

Adjacent sequences: A057108 A057109 A057110 * A057112 A057113 A057114

easy,nonn

Henry Bottomley, Aug 08 2000

More terms from James A. Sellers, Aug 22 2000

approved