# A354294 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 6 4 14 5 28 6 60 7 120 8 248 9 496 10 1008 11 2016 12 4064 13 8128 14 16320 15 32640 16 65408 17 130816 18 261888 19 523776 20 1048064 21 2096128 22 4193280 23 8386560 24 16775168 25 33550336 26 67104768 27 134209536 28 268427264 29 536854528 30 1073725440 31 2147450880 32 4294934528 33 8589869056 34 17179803648