# A264155 (b-file synthesized from sequence entry) 1 1 2 24 3 40 4 384 5 486 6 6144 7 640 8 18688 9 39366 10 91136 11 10240 12 23482368 13 958464 14 52612659 15 163840 16 375717888 17 9568256 18 1502871552 19 2621440 20 353370112 21 186646528