# A182890 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 5 4 14 5 36 6 94 7 247 8 646 9 1691 10 4428 11 11592 12 30348 13 79453 14 208010 15 544577 16 1425722 17 3732588 18 9772042 19 25583539 20 66978574 21 175352183 22 459077976 23 1201881744 24 3146567256 25 8237820025 26 21566892818 27 56462858429 28 147821682470 29 387002188980 30 1013184884470