0,15

A Moebius septuple count.

Numbers appear in septuples or multiples of septuples.

Table of n, a(n) for n=0..87.

Sequence in context: A115787 A300959 A259581 * A210745 A187471 A083565

Adjacent sequences: A105589 A105590 A105591 * A105593 A105594 A105595

easy,nonn

Paul Barry, Apr 14 2005

approved