A384799 Positions of records in A384797.

1, 2, 3, 4, 6, 8, 9, 10, 12, 15, 16, 18, 20, 22, 24, 27, 28, 30, 33, 35, 36, 40, 45, 48, 52, 54, 55, 56, 60, 65, 70, 78, 80, 90, 95, 100, 105, 108, 110, 120, 130, 135, 140, 150, 155, 156, 160, 165, 168, 180, 190, 200, 205, 210, 225, 240, 255, 260, 270, 280, 285, 300

Offset: 1

Author

Hugo Pfoertner, Jun 17 2025

Keywords

• nonn

Links

• Hugo Pfoertner, Table of n, a(n) for n = 1..1113

Crossrefs

Cf. A047800, A384797, A384798.

Programs

Python

from itertools import count, islice
def A384799_gen(): # generator of terms
    s, m = {0}, 1
    for n in count(1):
        c = n+1
        for i in range(n+1):
            if (k:=n**2+i**2) in s:
                c -= 1
            else:
                s.add(k)
        if c>m:
            yield n
            m = c
A384799_list = list(islice(A384799_gen(),30)) # Chai Wah Wu, Jul 07 2025