For those wondering the others are:
- M(0) = 2
- M(1) = 3
- M(2) = 6
- M(3) = 20
- M(4) = 168
- M(5) = 7581
- M(6) = 7828354
- M(7) = 2414682040998
- M(8) = 56130437228687557907788
And our new one M(9) = 286386577668298411128469151667598498812366
That is two hundred eighty-six duodecillion, three hundred eighty-six undecillion, five hundred seventy-seven decillion, six hundred sixty-eight nonillion, two hundred ninety-eight octillion, four hundred eleven septillion, one hundred twenty-eight sextillion, four hundred sixty-nine (noice) quintillion, one hundred fifty-one quadrillion, six hundred sixty-seven trillion, five hundred ninety-eight billion, four hundred ninety-eight million, eight hundred twelve thousand, three hundred sixty-six.