# A351428 (b-file synthesized from sequence entry) 0 1 1 -1 2 -3 3 -11 4 -41 5 -75 6 1540 7 37725 8 657715 9 10551750 10 163089430 11 2407275470 12 31865298262 13 290682880132 14 -2479867505029 15 -267542605513289 16 -11438897571729494 17 -404343336811199242 18 -13192591498632627584 19 -410340915410006575406 20 -12233989907129223814578