A077015 a(1) = 1, continue by multiplying by the smallest composite number and then dividing by the smallest prime not used earlier and taking the integer part at every step.

1, 4, 2, 12, 4, 32, 6, 54, 7, 70, 6, 72, 5, 70, 4, 60, 3, 48, 2, 36, 1, 20

Offset

1,2

Comments

For some k, n > k, a(n) = 0 for all n. What is the value of k?

All additional terms are zero. - Franklin T. Adams-Watters, Sep 07 2006

Links

Table of n, a(n) for n=1..22.

Example

a(2) = 1*4 = 4, a(3) = 4/2 = 2, a(4) = 2*6 = 12, a(5) = 12/3 = 4, a(6) = 4*8 = 32, a(7) = floor(32/5) = 6.

Crossrefs

Cf. A077016.

Sequence in context: A354190 A137447 A353749 * A077016 A191436 A260434

Adjacent sequences: A077012 A077013 A077014 * A077016 A077017 A077018

Keyword

fini,full,nonn

Author

Amarnath Murthy, Oct 28 2002

Extensions

More terms from Franklin T. Adams-Watters, Sep 07 2006

Status

approved