A083045 Main diagonal of table A083044.

1, 6, 17, 35, 68, 122, 224, 383, 656, 1092, 1841, 2978, 4859, 7835, 12776, 20291, 32664, 51422, 82485, 129720, 204821, 319482, 506060, 789872, 1237733, 1927494, 3024318, 4687259, 7274921, 11271293, 17578760, 27133793, 42125475, 64909160

Offset

0,2

Links

Table of n, a(n) for n=0..33.

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=3/2.

Crossrefs

Cf. A083044, A083047, A083050, A083046.

Sequence in context: A056109 A023545 A038633 * A012277 A358245 A307502

Adjacent sequences: A083042 A083043 A083044 * A083046 A083047 A083048

Keyword

nonn

Author

Paul D. Hanna, Apr 18 2003

Status

approved