Smallest number m containing no zeros in base n representation but at least one zero in all base b representations with 1<b<n.

A106372

Smallest number m containing no zeros in base n representation but at least one zero in all base b representations with 1<b<n.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =12a(4) =20a(5) =60a(6) =147a(7) =384a(8) =896a(9) =360a(10) =1540a(11) =2760a(12) =2304a(13) =11016a(14) =13860a(15) =6720a(16) =123060a(17) =255024a(18) =658370a(19) =1422720a(20) =1425606a(21) =1179360a(22) =2920500a(23) =12252240a(24) =9989280a(25) =24227280a(26) =242573760a(27) =68424048a(28) =990208128a(29) =410810400

External references