# A153470 (b-file synthesized from sequence entry) 1 1 2 30 3 3750 4 1953750 5 4242798750 6 38404604583750 7 1448977637979903750 8 227870224522898915943750 9 149369176223578379939728893750 10 408114381491174443782294469248048750 11 4647830909678374872940213803359098309308750