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 A234020 Offsets from the middle point of each row of A233270 to the nearest point containing a maximum value of that range. 6

%I

%S 0,0,0,0,1,1,3,0,5,0,0,33,72,140,267,502,954,1771,3355

%N Offsets from the middle point of each row of A233270 to the nearest point containing a maximum value of that range.

%C Please see the graph of A233270. Iff a(n)=0, A234018(n) = A234019(n).

%C Seems to grow faster than A233274. Is the ratio a(n)/A233274(n) converging to some limit?

%o (Scheme)

%o (define (A234020 n) (let ((middle (A233268 n))) (let loop ((i middle) (m 0) (maxp middle)) (cond ((zero? (A233270 i)) (- middle maxp)) ((> (abs (A233270 i)) m) (loop (- i 1) (abs (A233270 i)) i)) (else (loop (- i 1) m maxp))))))

%Y Cf. A233268, A233270, A234018, A234019, A233274.

%K nonn

%O 1,7

%A _Antti Karttunen_, Dec 29 2013

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Last modified May 6 02:09 EDT 2021. Contains 343579 sequences. (Running on oeis4.)