A067897 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A067897

a(n) = A000085(n) - (1 + Sum_{j=1..n-1} A000085(j)).

0, 0, 0, 0, 2, 8, 32, 112, 412, 1504, 5760, 22464, 91224, 379424, 1632896, 7201472, 32709136, 152094976, 725810176, 3540883968, 17680145184, 90115509888, 469094763008, 2489169367808, 13465672180160, 74161734785536

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,5

LINKS

Table of n, a(n) for n=0..25.

FORMULA

a(n) = A000085(n) - A245176(n-1). - Jon E. Schoenfield, Mar 14 2021

EXAMPLE

a(5) = A000085(5) - (1 + Sum_{j=1..4} A000085(j)) = 26 - (1 + 1 + 2 + 4 + 10) = 26 - 18 = 8. - Jon E. Schoenfield, Mar 14 2021

CROSSREFS

Cf. A000085, A245176.

Sequence in context: A267661 A052481 A306292 * A145682 A363109 A289451