A022870 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A022870

a(n) = [ a(n-1)/a(1) ] + [ a(n-2)/a(2) ] + ... + [ a(1)/a(n-1) ], for n >= 3.

0

2, 2, 2, 3, 3, 3, 3, 4, 6, 9, 13, 17, 23, 32, 45, 64, 90, 128, 182, 260, 369, 526, 749, 1067, 1521, 2170, 3094, 4414, 6297, 8983, 12815, 18283, 26083, 37215, 53094, 75754, 108079, 154206, 220013, 313907, 447870, 639007, 911714, 1300807

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

CROSSREFS

Sequence in context: A216200 A376696 A157873 * A237050 A235130 A131410

Adjacent sequences: A022867 A022868 A022869 * A022871 A022872 A022873

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved