# A083015 (b-file synthesized from sequence entry) 0 1 1 2 2 14 3 32 4 206 5 512 6 3128 7 8192 8 48238 9 131072 10 750584 11 2097152 12 11746424 13 33554432 14 184558304 15 536870912 16 2908113518 17 8589934592 18 45923227448 19 137438953472 20 726419131576 21 2199023255552 22 11506072128224 23 35184372088832