1,1

Subsequence of A293203.

Table of n, a(n) for n=1..8.

a(1) = 700 since 700 is the least k such that A090086(k) = 561 = A002997(1), the first Carmichael number.

a(2) = 1848 since 1848 is the least k such that A090086(k) = 1105 = A002997(2), the second Carmichael number.

Cf. A002997, A090086, A293203.

Sequence in context: A116338 A293203 A157366 * A250530 A200169 A093270

Adjacent sequences: A293276 A293277 A293278 * A293280 A293281 A293282

nonn,more

Amiram Eldar, Oct 12 2017

approved