# A173516 (b-file synthesized from sequence entry) 1 1 2 7 3 64 4 769 5 11536 6 207649 7 4360630 8 104655121 9 2825688268 10 84770648041 11 2797431385354 12 100707529872745 13 3927593665037056 14 164958933931556353 15 7423152026920035886 16 356311297292161722529 17 18171876161900247848980