Rectangular array, read by antidiagonals: row n consists of the numbers m whose ternary representation starts with 2 and has exactly n runs.
A370925
Rectangular array, read by antidiagonals: row n consists of the numbers m whose ternary representation starts with 2 and has exactly n runs.
Terms
- a(0) =2a(1) =8a(2) =6a(3) =26a(4) =7a(5) =19a(6) =80a(7) =18a(8) =20a(9) =57a(10) =242a(11) =22a(12) =21a(13) =59a(14) =172a(15) =728a(16) =24a(17) =23a(18) =60a(19) =173a(20) =516a(21) =2186a(22) =25a(23) =55a(24) =61a(25) =177a(26) =518a(27) =1549a(28) =6560a(29) =54
External references
- oeis: A370925