A165704 a(n) = a([n/2]) + a([n/3]) + a([n/5]).

1, 3, 5, 7, 9, 11, 15, 15, 17, 19, 23, 23, 29, 29, 29, 33, 35, 35, 41, 41, 47, 47, 47, 47, 55, 57, 57, 59, 59, 59, 71, 71, 73, 73, 73, 73, 85, 85, 85, 85, 93, 93, 93, 93, 93, 99, 99, 99, 109, 109, 115, 115, 115, 115, 123, 123, 123, 123, 123, 123, 147, 147, 147, 147, 149

Offset: 0

Author

Reinhard Zumkeller, Sep 26 2009

Keywords

• nonn

Comments

Record values greater than 1 occur at 5-smooth numbers, n>0: A165705(n)=a(A051037(n)) and A165705(m)A051037(n).

Links

• R. Zumkeller, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A007731, A083662, A088468, A165706.