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A083045 Main diagonal of table A083044. 2
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 (list; graph; refs; listen; history; text; internal format)
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)=ceil(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 A084990 A024181

Adjacent sequences:  A083042 A083043 A083044 * A083046 A083047 A083048

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Apr 18 2003

STATUS

approved

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Last modified November 28 13:03 EST 2014. Contains 250359 sequences.