A055876 a(n) = round( 1 + e^(n-2) ).

1, 2, 4, 8, 21, 56, 149, 404, 1098, 2982, 8104, 22027, 59875, 162756, 442414, 1202605, 3269018, 8886112, 24154954, 65659970, 178482302, 485165196, 1318815735, 3584912847, 9744803447, 26489122131, 72004899338, 195729609430

Offset

1,2

Comments

Another increment sequence for Shell short that produces good results (a bit better than A036569).

Links

Alois P. Heinz, Table of n, a(n) for n = 1..1000

Index entries for sequences related to sorting

Mathematica

A055876[n_]:=Round[1+E^(n-2)]; Array[A055876, 50] (* Paolo Xausa, Dec 02 2023 *)

Crossrefs

Cf. A003462, A036562, A036569, A055875.

Sequences used for Shell sort: A003462, A033622, A036562, A036564, A036569, A055875, A055876.

Sequence in context: A162110 A108071 A337762 * A065847 A133604 A262345

Adjacent sequences: A055873 A055874 A055875 * A055877 A055878 A055879

Keyword

easy,nonn

Author

Steven Pigeon (pigeon(AT)iro.umontreal.ca), Jul 14 2000

Extensions

More terms from James A. Sellers, Aug 22 2000

Status

approved