# A362179 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 10 4 25 5 61 6 146 7 344 8 800 9 1840 10 4192 11 9472 12 21248 13 47360 14 104960 15 231424 16 507904 17 1110016 18 2416640 19 5242880 20 11337728 21 24444928 22 52559872 23 112721920 24 241172480 25 514850816 26 1096810496 27 2332033024 28 4949278720 29 10485760000 30 22179479552 31 46841987072