A207668 Number of suitable numbers k(m) for m = A207017(n).

2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1

Offset

1,1

Comments

Or a(n) is the number of proper H-divisors > 1 of A207017(n).

Links

Table of n, a(n) for n=1..60.

Crossrefs

Cf. A207017, A207666.

Sequence in context: A386008 A358005 A078316 * A393611 A293838 A055443

Adjacent sequences: A207665 A207666 A207667 * A207669 A207670 A207671

Keyword

nonn

Author

Vladimir Shevelev, Feb 19 2012

Status

approved