# A014175 (b-file synthesized from sequence entry) 0 1 1 5 2 16 3 41 4 93 5 196 6 394 7 771 8 1488 9 2854 10 5463 11 10479 12 20186 13 39068 14 75932 15 148083 16 289822 17 569157 18 1120940 19 2212591 20 4374466 21 8658470 22 17159606 23 34050575 24 67642478 25 134489509 26 267565204 27 532549215