120516domain: NAppears in sequencesPositions of 5-digit terms in the continued fraction for Pi (3 is position 0).at n=15A048961Number of strings of length n over a 4-letter alphabet that do not begin with a palindrome.at n=9A252697G.f. satisfies A(x) = 1 + x*A(x)^2 + x^2*A(x)^7.at n=8A364477