A333268 Indices of unique values in A329152.

32, 240, 512, 1320, 2040, 2472, 2760, 4096, 5536, 5640, 6072, 9336, 9376, 12032, 12840, 13568, 14176, 15576, 16096, 17880, 18744, 20040, 20760, 21248, 21480, 21912, 22920, 23640, 24064, 25944, 28248, 28384, 29256, 31264, 31272

Offset

1,1

Comments

a(n) == 0 (mod 8).

If a*b = k*a(n) + 1 then b - a == 0 (mod 8), 1 < a < b < a(n), 1 <= k < a(n).

gcd(k, a*b) = 1.

Links

Table of n, a(n) for n=1..35.

Example

32 is a term because A329152(32) = 6 and 6 occurs exactly once in A329152.
240 is a term because A329152(240) = 24 and 24 occurs exactly once in A329152.
512 is a term because A329152(512) = 126 and 126 occurs exactly once in A329152.

Crossrefs

Cf. A329152.

Subset of A008590.

Sequence in context: A229400 A223250 A250748 * A060622 A118999 A321829

Adjacent sequences: A333265 A333266 A333267 * A333269 A333270 A333271

Keyword

nonn

Author

Torlach Rush, Mar 13 2020

Status

approved