Coefficients of iterated exponentials.

A001765

Coefficients of iterated exponentials.

Terms

    a(0) =1a(1) =7a(2) =77a(3) =1155a(4) =21973a(5) =506989a(6) =13761937a(7) =429853851a(8) =15192078027a(9) =599551077881

External references