Numbers m such that the sum of the digits (sod) of m, m^2, m^3, ..., m^9 are in arithmetic progression: sod(m^(k+1)) - sod(m^k) = f for k=1..8.
A257969
Numbers m such that the sum of the digits (sod) of m, m^2, m^3, ..., m^9 are in arithmetic progression: sod(m^(k+1)) - sod(m^k) = f for k=1..8.
Terms
- a(0) =1a(1) =10a(2) =100a(3) =1000a(4) =7972a(5) =10000a(6) =53941a(7) =79720a(8) =100000a(9) =134242a(10) =539410a(11) =698614a(12) =797200a(13) =1000000a(14) =1342420a(15) =5394100a(16) =6986140a(17) =7525615a(18) =7972000a(19) =9000864a(20) =10000000a(21) =10057054a(22) =13424200a(23) =15366307a(24) =17513566a(25) =20602674a(26) =23280211a(27) =24716905a(28) =25274655a(29) =25665559
External references
- oeis: A257969