A380451 First coefficient of the lindep transform of Carmichael lambda, A002322.

1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 4, 1, 3, 1, 1, 3, 2, 1, 1, 1, 2, 3, 5, 1, 1, 1, 4, 3, 2, 3, 6, 1, 2, 3, 1, 1, 1, 1, 4, 4, 2, 1, 1, 1, 5, 3, 4, 1, 3, 3, 1, 3, 2, 1, 1, 1, 2, 1, 4, 5, 7, 1, 4, 3, 6, 1, 1, 1, 2, 4, 4, 5, 6, 1, 1, 3, 2, 1, 1, 5, 2, 3, 9, 1, 7, 8, 4, 3, 2, 8, 1, 1, 7, 3, 5, 1, 6, 1, 9, 9

Offset

1,4

Comments

See A339790 for a definition of lindep-transform.

Links

Antti Karttunen, Table of n, a(n) for n = 1..20000

Prog

(PARI)
A002322(n) = lcm(znstar(n)[2]);
A380451(n) = { my(v=lindep([A002322(n), n, 1])); (v*sign(v[1]))[1]; };

Crossrefs

Cf. A002322, A380452, A380453.

Cf. also A339790, A380441.

Sequence in context: A307897 A008651 A049107 * A046597 A107910 A374586

Adjacent sequences: A380448 A380449 A380450 * A380452 A380453 A380455

Keyword

nonn,new

Author

Antti Karttunen, Jan 26 2025

Status

approved