A372189 Number of terms of A372186 that do not exceed 10^n.

0, 0, 2, 17, 87, 487, 2959, 18960, 126997, 878559, 6263608, 45854245

Offset

1,3

Links

Table of n, a(n) for n=1..12.

Ken Nakamula, Hirofumi Tsumura, and Hiroaki Komai, New polynomials producing absolute pseudoprimes with any number of prime factors, arXiv:math/0702410 [math.NT], 2007. See Table 1, p. 8.

Crossrefs

Cf. A002997, A036060, A126797, A372186, A372190.

Sequence in context: A181546 A320644 A081744 * A219757 A297727 A358591

Adjacent sequences: A372186 A372187 A372188 * A372190 A372191 A372192

Keyword

nonn,more

Author

Amiram Eldar, Apr 21 2024

Status

approved