# A090436 (b-file synthesized from sequence entry) 1 1 2 5 3 100 4 27500 5 687500 6 7075062500 7 3594287401375000 8 81456034414253835114625000 9 35683959264371194185124824344091625000 10 140789696830026154896057937831705061406034875000