A083048 Main diagonal of table A083047.

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

Links

Table of n, a(n) for n=0..31.

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

Cf. A083044, A083047, A083050, A083049.

Sequence in context: A004538 A146231 A186029 * A123669 A121325 A256970

Adjacent sequences: A083045 A083046 A083047 * A083049 A083050 A083051

Keyword

nonn

Author

Paul D. Hanna, Apr 18 2003

Status

approved