a(n) is the smallest positive integer such that 10^(2 + floor(k/a(1)) + floor(k/a(2)) + ... + floor(k/a(n))) divides (k+9)! for all k > 0.

A218976

a(n) is the smallest positive integer such that 10^(2 + floor(k/a(1)) + floor(k/a(2)) + ... + floor(k/a(n))) divides (k+9)! for all k > 0.

Terms

    a(0) =6a(1) =16a(2) =116a(3) =241a(4) =242a(5) =491a(6) =991a(7) =2491a(8) =3331a(9) =14966a(10) =15556a(11) =62491a(12) =78116a(13) =83331a(14) =249991a(15) =264866a(16) =546841a(17) =1109366a(18) =2265491a(19) =4999861a(20) =4999991a(21) =5837041a(22) =12499996a(23) =25249861a(24) =26011861a(25) =36249091a(26) =80070866a(27) =190999991a(28) =242090611a(29) =365038621

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