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A083052
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Main diagonal of table A083050.
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2
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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)=T(n, n), where T(n, 0)=floor(n*x/(x-1))+1, T(n, k+1)=ceil(x*T(n, k)), for n>=0, k>=0, with x=sqrt(2).
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CROSSREFS
| Cf. A083044, A083047, A083050, A083053.
Sequence in context: A118734 A200895 A051410 * A120849 A030661 A049728
Adjacent sequences: A083049 A083050 A083051 * A083053 A083054 A083055
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Apr 18 2003
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