# A327542 (b-file synthesized from sequence entry) 1 1 2 2 3 16 4 36 5 171 6 512 7 2087 8 6984 9 26512 10 92682 11 341573 12 1216512 13 4429309 14 15898766 15 57595536 16 207410832 17 749793263 18 2703799808 19 9765692771 20 35235657396 21 127218945296 22 459128080534 23 1657436539337 24 5982212358144 25 21594204190521