# A134152 (b-file synthesized from sequence entry) 1 1 2 5 3 33 4 329 5 4081 6 64289 7 1193697 8 25959169 9 641756673 10 17842602561 11 549786056897 12 18611202710465 13 686107435427009 14 27365450091496641 15 1173865020528758465 16 53888878469193228993 17 2635977957955398642369