a(n) = tau(N), where N = the number obtained as a concatenation of 8712 with itself n times and tau(n) = number of divisors of n.

A110754

a(n) = tau(N), where N = the number obtained as a concatenation of 8712 with itself n times and tau(n) = number of divisors of n.

Terms

    a(0) =36a(1) =144a(2) =768a(3) =576a(4) =1152a(5) =6144a(6) =2304a(7) =18432a(8) =15360a(9) =18432a(10) =12288a(11) =49152a(12) =4608a(13) =36864a(14) =6291456a(15) =294912a(16) =9216a(17) =983040a(18) =576a(19) =294912a(20) =18874368a(21) =196608a(22) =9216a(23) =25165824a(24) =1179648a(25) =73728a(26) =2359296a(27) =1179648a(28) =73728a(29) =402653184

External references