# A293152 (b-file synthesized from sequence entry) 0 -1 1 0 2 -1 3 -2 4 -9 5 -40 6 -232 7 -1504 8 -11235 9 -93056 10 -850145 11 -8429312 12 -89803440 13 -1015217152 14 -12019201363 15 -146382407680 16 -1783367400885 17 -20532475363328 18 -188164624388456 19 -24471752081408 20 72659080250216625 21 3108155517786914816 22 104237186599257684611 23 3246985576741891211264