A397618 a(n) = prime(floor(n*e/(e-1))).

2, 5, 7, 13, 17, 23, 31, 37, 43, 47, 59, 61, 71, 79, 83, 97, 101, 107, 113, 127, 137, 139, 151, 157, 167, 179, 181, 193, 197, 211, 227, 229, 239, 241, 257, 263, 271, 281, 283, 307, 311, 317, 337, 347, 353, 359, 373, 379, 389, 401, 409, 421, 431, 439, 449

Offset

1,1

Comments

This sequence and A397617 partition A000040.

Links

Table of n, a(n) for n=1..55.

Mathematica

Prime[Table[Floor[n*E/(E-1)], {n, 1, 100}]]

Crossrefs

Cf. A000040, A002163, A022839, A108593, A397617.

Sequence in context: A045352 A278494 A107426 * A222532 A144256 A082555

Adjacent sequences: A397615 A397616 A397617 * A397619 A397622 A397623

Keyword

nonn,easy,new

Author

Clark Kimberling, Jul 13 2026

Status

approved