A075527 a(n) = A008578(n+3) - A008578(n+1).

2, 3, 4, 6, 6, 6, 6, 6, 10, 8, 8, 10, 6, 6, 10, 12, 8, 8, 10, 6, 8, 10, 10, 14, 12, 6, 6, 6, 6, 18, 18, 10, 8, 12, 12, 8, 12, 10, 10, 12, 8, 12, 12, 6, 6, 14, 24, 16, 6, 6, 10, 8, 12, 16, 12, 12, 8, 8, 10, 6, 12, 24, 18, 6, 6, 18, 20, 16, 12, 6, 10, 14, 14, 12, 10, 10, 14, 12, 12, 18, 12

Offset

0,1

Comments

For n>0: a(n) = A031131(n) and a(n) - a(n-1) = A075526(n).

Links

Table of n, a(n) for n=0..80.

Crossrefs

Cf. A000040, A076272, A076273.

Cf. A008578, A031131, A075526.

Sequence in context: A361332 A240809 A214322 * A325869 A154257 A336406

Adjacent sequences: A075524 A075525 A075526 * A075528 A075529 A075530

Keyword

nonn

Author

Reinhard Zumkeller, Sep 22 2002

Extensions

Correction for change of offset in A158611 and A008578 in Aug 2009 Jaroslav Krizek, Jan 27 2010

Status

approved