A089540 Lesser prime factor of semiprimes in A089539.

2, 2, 3, 5, 11, 7, 71, 61, 5, 11, 3, 97, 83, 23, 7, 2, 3, 263, 71, 20639383, 11, 281421719, 3, 811, 401, 1697, 110298581317, 29, 33619, 2, 19, 11, 11, 67411, 7, 3, 126397507816417, 14029308060317546154181, 13, 9649, 53, 2044687972231331951

Offset

1,1

Links

Table of n, a(n) for n=1..42.

Crossrefs

Cf. A085747, A089538, A089539, A089541.

Sequence in context: A127180 A317809 A249241 * A080008 A058697 A030427

Adjacent sequences: A089537 A089538 A089539 * A089541 A089542 A089543

Keyword

nonn

Author

Ray Chandler, Nov 09 2003

Status

approved