318317domain: NAppears in sequencesa(2*n) = floor( 17*2^n/14 ), a(2*n+1) = floor( 12*2^n/7 ).at n=36A003143Numbers n such that 279*2^n-1 is prime.at n=39A050898Numbers m such that m*reversal(m)+1 is a palindrome.at n=16A177856