A triangle sequence of Cyclotomic products: t(n,m)=Product[Cyclotomic[k, m + 1], {k, 1, n}].

A156291

A triangle sequence of Cyclotomic products: t(n,m)=Product[Cyclotomic[k, m + 1], {k, 1, n}].

Terms

    a(0) =1a(1) =3a(2) =8a(3) =21a(4) =104a(5) =315a(6) =105a(7) =1040a(8) =5355a(9) =19344a(10) =3255a(11) =125840a(12) =1826055a(13) =15107664a(14) =86590175a(15) =9765a(16) =880880a(17) =23738715a(18) =317260944a(19) =2684295425a(20) =16476602400a(21) =1240155a(22) =962801840a(23) =129637122615

External references