# A093471 (b-file synthesized from sequence entry) 1 10 2 141 3 1732 4 20000 5 223606 6 2449489 7 26457513 8 282842712 9 3000000000 10 31622776601 11 331662479035 12 3464101615137 13 36055512754639 14 374165738677394 15 3872983346207416 16 40000000000000000 17 412310562561766054