A059719 a(1)=2, a(n) is a k(n)-almost prime; m is an A-almost prime (for 1 < A); a(n) = smallest number m>a(n-1) such that m-a(i) is a (A-k(i))-almost prime for i = 1,..,n-1.

2, 4, 27, 392, 591250

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Crossrefs

Cf. A059391.

Sequence in context: A175759 A098515 A256451 * A264930 A226347 A305738

Adjacent sequences: A059716 A059717 A059718 * A059720 A059721 A059722

Keyword

more,nonn

Author

Naohiro Nomoto, Feb 08 2001

Status

approved