A026297 a(n) = T(n,[ n/2 ]), where T is the array in A026268.

1, 1, 1, 2, 5, 9, 27, 46, 145, 244, 796, 1330, 4438, 7382, 25034, 41508, 142479, 235672, 816620, 1348204, 4706977, 7759105, 27256963, 44873972, 158450461, 260581699, 924129535, 1518390034, 5404960900, 8873524820, 31689099660, 51988770150

Offset

0,4

Links

Table of n, a(n) for n=0..31.

Crossrefs

Sequence in context: A243559 A334077 A136108 * A109742 A072979 A094600

Adjacent sequences: A026294 A026295 A026296 * A026298 A026299 A026300

Keyword

nonn

Author

Clark Kimberling

Extensions

a(12) corrected by Sean A. Irvine, Sep 24 2019

Status

approved