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A346598 a(n) is the number of terms in A344005 that are equal to n. 3

%I #25 Nov 19 2022 04:39:53

%S 2,2,2,3,2,4,3,5,2,4,4,6,2,4,7,5,4,6,4,3,4,4,6,8,4,6,7,6,6,8,5,7,4,6,

%T 4,9,2,4,8,8,6,8,4,10,8,4,8,13,6,6,7,6,6,6,8,11,4,4,10,12,2,8,13,8,8,

%U 8,4,6,8,8,10,12,2,8,9,6,6,8,8,17,6,4,10,10,6,4,11,8,10,10,8,7,4,6,11,12

%N a(n) is the number of terms in A344005 that are equal to n.

%C If A344005(n) = m then n <= m*(m+1).

%H Chai Wah Wu, <a href="/A346598/b346598.txt">Table of n, a(n) for n = 1..10000</a>

%e A344005(n) is equal to 4 just for n = 5, 10, and 20, so a(4) = 3.

%o (Python)

%o # uses[python code from A344005]

%o def A346598(n):

%o return sum(1 for m in range(1, n*(n + 1) + 1) if A344005(m) == n)

%o # _Chai Wah Wu_, Jul 29 2021

%Y Cf. A344005, A346599, A346600, A346601.

%K nonn

%O 1,1

%A _Robert Dougherty-Bliss_ and _N. J. A. Sloane_, Jul 27 2021

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Last modified July 27 19:26 EDT 2024. Contains 374651 sequences. (Running on oeis4.)