# A059569 (b-file synthesized from sequence entry) 1 2 2 4 3 6 4 8 5 38 6 66 7 72 8 126 9 140 10 152 11 174 12 332 13 710 14 820 15 2528 16 2582 17 2668 18 2776 19 2982 20 3826 21 6144 22 15778 23 23518 24 75504