# A048077 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 1 6 4 7 12 8 30 9 60 10 121 11 217 12 364 13 700 14 1260 15 2250 16 4960 17 9460 18 17380 19 38500 20 71071 21 126763 22 276549 23 503685 24 898380 25 2006508 26 3681588 27 6619596 28 14981556 29 27412041 30 49146654 31 111406614 32 202871284 33 363087604 34 828004144