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

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, 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, 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

Offset

1,1

Comments

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

Links

Chai Wah Wu, Table of n, a(n) for n = 1..10000

Example

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

Prog

(Python)
# uses[python code from A344005]
def A346598(n):
    return sum(1 for m in range(1, n*(n + 1) + 1) if A344005(m) == n)
# Chai Wah Wu, Jul 29 2021

Crossrefs

Cf. A344005, A346599, A346600, A346601.

Sequence in context: A171239 A029210 A321909 * A035433 A029199 A121611

Adjacent sequences: A346595 A346596 A346597 * A346599 A346600 A346601

Keyword

nonn

Author

Robert Dougherty-Bliss and N. J. A. Sloane, Jul 27 2021

Status

approved