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.

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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

Cf. A049820, A236561, A236562, A236563, A060990.

Extensions

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

A236561 Values taken by the A049820, sorted into ascending order.

Original entry on oeis.org

0, 0, 1, 1, 2, 3, 4, 5, 6, 6, 6, 9, 10, 11, 11, 11, 12, 14, 15, 16, 17, 17, 18, 21, 22, 22, 22, 22, 23, 26, 27, 27, 29, 29, 30, 31, 32, 34, 34, 35, 35, 38, 38, 39, 39, 41, 42, 44, 45, 46, 46, 46, 47, 48, 48, 51, 51, 53, 54, 57, 57, 57, 58, 58, 59, 60, 61, 62
Offset: 1

Views

Author

Jaroslav Krizek, Feb 09 2014

Keywords

Links

Crossrefs

Cf. A049820, A236562, A236563, A236564, A236565.
Showing 1-2 of 2 results.

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