76934domain: NAppears in sequencesNumbers k such that 169*2^k+1 is prime.at n=23A032461a(n) = a(n-1) + Sum_{k=0..floor(log_2(n-1))} a(2^k), a(1) = 1.at n=37A133147Number of ways to choose a multiset of values whose sum is n from the first floor(1+log_2(n)) rows of Pascal's triangle.at n=35A366120