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

Author

Clark Kimberling

Keywords

• nonn

Extensions

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