A083052 Main diagonal of table A083050.

1, 6, 15, 33, 60, 107, 176, 283, 463, 732, 1156, 1773, 2702, 4170, 6333, 9611, 14365, 21842, 32281, 48041, 71690, 106136, 158196, 232380, 340846, 504318, 740949, 1089909, 1590748, 2348540, 3411262, 4978297, 7278002, 10600284, 15494846

Offset

0,2

Links

Table of n, a(n) for n=0..34.

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(2).

Crossrefs

Cf. A083044, A083047, A083050, A083053.

Sequence in context: A225278 A213779 A051410 * A333959 A265395 A350596

Adjacent sequences: A083049 A083050 A083051 * A083053 A083054 A083055

Keyword

nonn

Author

Paul D. Hanna, Apr 18 2003

Status

approved