Rectangular array R by antidiagonals: row n shows the positive integers whose base-3 digits have up-variation n, for n>=0. See Comments.
A297442
Rectangular array R by antidiagonals: row n shows the positive integers whose base-3 digits have up-variation n, for n>=0. See Comments.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =3a(4) =10a(5) =11a(6) =4a(7) =14a(8) =20a(9) =47a(10) =6a(11) =15a(12) =29a(13) =92a(14) =101a(15) =7a(16) =16a(17) =32a(18) =100a(19) =182a(20) =425a(21) =8a(22) =17a(23) =33a(24) =104a(25) =263a(26) =830a(27) =911a(28) =9a(29) =19
External references
- oeis: A297442