# A203312 (b-file synthesized from sequence entry) 1 1 2 3 3 147 4 298116 5 47460365316 6 965460013501733568 7 3717096745012192786213464768 8 3763515081241454304168766426610670649344 9 1329626784930718063722475681347135527472012731205697536