login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A043720
a(n)=(1/2)*s(n), where s=A043544.
0
6, 8, 9, 12, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 33, 36, 39, 40, 42, 45, 48, 50, 51, 54, 56, 57, 60, 63, 64, 66, 69, 70, 72, 75, 78, 80, 81, 84, 87, 88, 90, 93, 96, 98, 99, 100, 102, 104, 105, 108, 110, 111, 112, 114, 117, 120, 123
OFFSET
1,1
CROSSREFS
Sequence in context: A195101 A337381 A305704 * A191980 A304412 A161982
KEYWORD
nonn,base
STATUS
approved