# A205064 (b-file synthesized from sequence entry) 1 16 2 64 3 144 4 376 5 856 6 1984 7 4480 8 9856 9 22144 10 47104 11 105472 12 219136 13 489472 14 999424 15 2228224 16 4489216 17 9994240 18 19922944 19 44302336 20 87556096 21 194510848 22 381681664 23 847249408 24 1652555776 25 3665821696