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

Author

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

Keywords

• nonn

Comments

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

Examples

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

Links

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

Crossrefs

Cf. A344005, A346599, A346600, A346601.

Programs

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