A289014 Number of integers containing n in their base-10 home prime trajectory.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

Offset

1,22

Comments

For prime p, a(p) gives the number of integers with home prime trajectory terminating at p.

Even if there exist numbers without a home prime, this sequence is still well-defined.

Links

Sean A. Irvine, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A037274, A118756.

Sequence in context: A301475 A138328 A137264 * A193238 A323826 A275824

Adjacent sequences: A289011 A289012 A289013 * A289015 A289016 A289017

Keyword

nonn,base

Author

Sean A. Irvine, Jun 21 2017

Status

approved