# A065026 (b-file synthesized from sequence entry) 1 1 2 2 3 4 4 9 5 17 6 25 7 59 8 67 9 176 10 226 11 578 12 628 13 1340 14 1876 15 4472 16 5728 17 13952 18 17704 19 43112 20 54568 21 133088 22 168496 23 410720 24 519856 25 1267568 26 1604560 27 3911840 28 4951552 29 12072512 30 15281632 31 37257248 32 47160352 33 114980864 34 145544128 35 354845696 36 449166400 37 1095100352 38 1386188608