# A096854 (b-file synthesized from sequence entry) 1 1 2 3 3 12 4 15 5 72 6 91 7 312 8 255 9 1240 10 1860 11 4123 12 5080 13 26208 14 34200 15 93600 16 65535 17 334368 18 416560 19 1420800 20 1596364 21 6146800 22 5949696 23 20485332 24 23788842 25 120519630 26 194016600 27 358132380 28 458803800 29 1674738000 30 2166798816 31 6045990912 32 4294967295 33 22739738112 34 37862623140