# A173814 (b-file synthesized from sequence entry) 0 1 1 1 2 -4 3 1 4 1 5 -16 6 30 7 -16 8 1 9 1 10 -64 11 676 12 -2752 13 4678 14 -2752 15 676 16 -64 17 1 18 1 19 -256 20 13560 21 -316160 22 3830300 23 -25002240 24 87841480 25 -180202240 26 227671110 27 -180202240 28 87841480 29 -25002240 30 3830300 31 -316160 32 13560 33 -256 34 1 35 1 36 -1024