66309

Appears in sequences

• Enneagonal numbers whose sum of digits is also enneagonal.at n=19A117051
• Enneagonal numbers for which both the sum of the digits and the product of the digits are also enneagonal numbers.at n=7A117053
• Number of partitions of n such that (greatest part) + (least part) > number of parts.at n=46A237870
• Number of length 2+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=21A252178
• G.f. satisfies A(x) = 1/(1-x) + x^3*(1-x)*A(x)^3.at n=19A364595