A331525 - OEIS

A331525

a(n) is the least positive k such that A100272(n) - k^2 is a fifth power.

1, 2, 4, 6, 3, 10, 9, 14, 15, 8, 20, 14, 16, 24, 20, 26, 22, 27, 26, 3, 5, 13, 15, 36, 34, 23, 40, 27, 33, 44, 37, 51, 54, 45, 56, 18, 58, 24, 53, 63, 55, 57, 64, 66, 36, 69, 42, 63, 74, 75, 73, 82, 84, 66, 86, 90, 93, 92, 31, 94, 35, 78, 99, 49, 84, 100, 97

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, PARI program for A331525

EXAMPLE

The first terms, alongside A100272(n), are:

n a(n) A100272(n)

-- ---- ----------------

1 1 2 = 1^2 + 1^5

2 2 5 = 2^2 + 1^5