cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A236565 The smallest values m such that A049820(x) = m has exactly n solutions.

Original entry on oeis.org

7, 2, 0, 6, 22, 838, 17638, 192520, 3240114, 219476872, 2146772872, 24443168392, 1273061788552
Offset: 0

Views

Author

Jaroslav Krizek, Feb 09 2014

Keywords

Comments

The 11 numbers x for which A049820(x) is equal to a(11) are a(11) + {12, 16, 24, 32, 36, 40, 56, 80, 96, 128, 512}. - Giovanni Resta, Feb 10 2014

Examples

			For n=4: 22 is the smallest identical value of A049820(x) for 4 distinct numbers x: 25, 26, 28, 30.
		

Crossrefs

Extensions

a(7)-a(11) from Giovanni Resta, Feb 10 2014
a(12) from Ryan Tang, Jul 23 2025