login
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
OFFSET
1,1
CROSSREFS
Sequence in context: A216200 A376696 A157873 * A237050 A235130 A131410
KEYWORD
nonn
STATUS
approved