a(n) = ((7*n+10)(!^7))/10(1^7), related to A034830 (((7*n+3)(!^7))/3 sept-, or 7-factorials).

A053106

a(n) = ((7*n+10)(!^7))/10(1^7), related to A034830 (((7*n+3)(!^7))/3 sept-, or 7-factorials).

Terms

    a(0) =1a(1) =17a(2) =408a(3) =12648a(4) =480624a(5) =21628080a(6) =1124660160a(7) =66354949440

External references