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A083048
Main diagonal of table A083047.
2
1, 5, 17, 36, 80, 164, 300, 575, 1020, 1884, 3426, 5921, 10568, 18697, 31850, 55716, 94332, 163579, 282388, 474625, 814328, 1363979, 2328358, 3963781, 6609951, 11209355, 18969158, 31524783, 53186480, 88235842, 148471479, 249459365
OFFSET
0,2
FORMULA
a(n) = T(n, n), where T(n, 0) = floor(n*x/(x-1)) + 1, T(n, k+1) = ceiling(x*T(n, k)), for n >= 0, k >= 0, with x = (sqrt(5)+1)/2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Apr 18 2003
STATUS
approved