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A083053 Antidiagonal sums of table A083050. 2
1, 6, 16, 35, 66, 114, 185, 290, 443, 661, 976, 1425, 2064, 2972, 4259, 6083, 8667, 12327, 17506, 24834, 35203, 49869, 70615, 99959, 141462, 200159, 283173, 400577, 566616, 801435, 1133522, 1603168, 2267350, 3206653, 4535033, 6413648, 9070416 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..36.

FORMULA

a(n) = Sum_{k=0..n} T(k,n-k), 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, A083052.

Sequence in context: A236773 A131820 A266677 * A083046 A192749 A160997

Adjacent sequences:  A083050 A083051 A083052 * A083054 A083055 A083056

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Apr 18 2003

STATUS

approved

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Last modified February 23 02:43 EST 2018. Contains 299473 sequences. (Running on oeis4.)