34722domain: NAppears in sequencesNumbers k such that 3*2^k + 7 is prime.at n=35A059746Number of permutations of length n which avoid the patterns 1234, 2341, 4312.at n=13A116750Sum of absolute values of real and imaginary parts of the coefficients in the expansion of 1 / (1 - x - I*x^2), where I^2=-1.at n=29A218137