A385100 a(n) is the smallest integer k such that A384854(k) = n.

1, 2, 66, 182, 30, 858, 4830, 201630, 1829030, 976430, 24877650, 645314670, 3392218830, 17041181430

Offset

1,2

Links

Table of n, a(n) for n=1..14.

Prog

(PARI) f(n) = sumdiv(n, d, Mod(-d, n)^d == d); \\ A384854
a(n) = my(k=1); while(f(k) != n, k++); k; \\ Michel Marcus, Jun 18 2025

Crossrefs

Cf. A000005, A065295, A384781, A384854, A385499.

Sequence in context: A333677 A098089 A304934 * A075809 A257788 A349108

Adjacent sequences: A385097 A385098 A385099 * A385101 A385102 A385103

Keyword

nonn,more

Author

Michel Marcus and Juri-Stepan Gerasimov, Jun 17 2025

Extensions

a(8)-a(11) from Michel Marcus, Jun 18 2025

a(12)-a(14) from Jinyuan Wang, Jul 01 2025

Status

approved