# A215327 (b-file synthesized from sequence entry) 0 1 1 3 2 5 3 8 4 15 5 27 6 58 7 115 8 252 9 541 10 1196 11 2629 12 5894 13 13156 14 29667 15 66978 16 151966 17 345497 18 788396 19 1802678 20 4133161 21 9495317 22 21861393 23 50423468 24 116514553 25 269666605 26 625108573 27 1451128479 28 3373267275 29 7851415838 30 18296568717