29514domain: NAppears in sequencesCeiling of Gamma(n+8/9)/Gamma(8/9).at n=8A020109Lengths of successive generations of the Kolakoski sequence A000002.at n=23A054352Start with a(1)=1; now a(n+1)=a(n)+a(k) with k=[n-n-th digit of Pi]. If k<0 or k=0, then a(k)=0.at n=38A133389Triangular array: (1/2)*A193851.at n=46A193853