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 A073159 Sums of adjacent terms of A073158. Together, A073158, A073159 and A073160 include all the positive integers uniquely. 3

%I

%S 3,6,11,12,13,18,24,29,34,35,36,41,43,48,54,55,57,62,65,70,75,78,79,

%T 83,89,92,93,95,99,101,103,108,114,118,121,120,123,130,128,140,139,

%U 141,147

%N Sums of adjacent terms of A073158. Together, A073158, A073159 and A073160 include all the positive integers uniquely.

%C a(n) is asymptotic to 7n/2.

%F a(n) = A073158(n) + A073158(n-1), where A073158(0)=0.

%Y Cf. A073158, A073160.

%K easy,nonn

%O 1,1

%A _Paul D. Hanna_, Jul 29 2002

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Last modified December 2 07:40 EST 2020. Contains 338868 sequences. (Running on oeis4.)