Square array a(m,n) read by antidiagonals, defined by A000010(n)*a(m,n) = Sum_{k=1..n, gcd(k,n)=1} m^{ Sum_{d|n} A000010(d)/ (multiplicative order of k modulo d) }.
A132191
Square array a(m,n) read by antidiagonals, defined by A000010(n)*a(m,n) = Sum_{k=1..n, gcd(k,n)=1} m^{ Sum_{d|n} A000010(d)/ (multiplicative order of k modulo d) }.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =4a(5) =3a(6) =1a(7) =6a(8) =9a(9) =4a(10) =1a(11) =12a(12) =18a(13) =16a(14) =5a(15) =1a(16) =12a(17) =54a(18) =40a(19) =25a(20) =6a(21) =1a(22) =40a(23) =72a(24) =160a(25) =75a(26) =36a(27) =7a(28) =1a(29) =28
External references
- oeis: A132191