Sliding numbers: totals, including repetitions, of sums r + s, r >= s, such that 1/r + 1/s = (r + s)/10^k for some k >= 0.
A103182
Sliding numbers: totals, including repetitions, of sums r + s, r >= s, such that 1/r + 1/s = (r + s)/10^k for some k >= 0.
Terms
- a(0) =2a(1) =7a(2) =11a(3) =20a(4) =25a(5) =29a(6) =52a(7) =65a(8) =70a(9) =101a(10) =110a(11) =133a(12) =200a(13) =205a(14) =205a(15) =250a(16) =254a(17) =290a(18) =425a(19) =502a(20) =520a(21) =641a(22) =650a(23) =700a(24) =785a(25) =925a(26) =1001a(27) =1010a(28) =1100a(29) =1258
External references
- oeis: A103182