# A020667 (b-file synthesized from sequence entry) 1 1023456789 2 1026753849 3 12584301976 4 338920744561 5 2817036000549 6 16157819263041 7 1727094849536 8 13685690504052736 9 1628413597910449 10 3656158440062976 11 2384185791015625 12 129746337890625 13 1490116119384765625 14 168377826559400929 15 2862423051509815793