A164529 a(1)=1. a(n) = the smallest multiple of {the largest proper divisor of n} that is >= a(n-1).

1, 1, 1, 2, 2, 3, 3, 4, 6, 10, 10, 12, 12, 14, 15, 16, 16, 18, 18, 20, 21, 22, 22, 24, 25, 26, 27, 28, 28, 30, 30, 32, 33, 34, 35, 36, 36, 38, 39, 40, 40, 42, 42, 44, 45, 46, 46, 48, 49, 50, 51, 52, 52, 54, 55, 56, 57, 58, 58, 60, 60, 62, 63, 64, 65, 66, 66, 68, 69, 70, 70, 72

Offset

1,4

Links

Table of n, a(n) for n=1..72.

Crossrefs

Cf. A032742, A164528.

Sequence in context: A319728 A241152 A367843 * A153906 A067619 A236972

Adjacent sequences: A164526 A164527 A164528 * A164530 A164531 A164532

Keyword

nonn

Author

Leroy Quet, Aug 15 2009

Extensions

Extended by Ray Chandler, Mar 15 2010

Status

approved