Sequence representing valid nontrivial 1-dimensional Hashi (a.k.a. Bridges or Hashiwokakero) puzzle orientations.

A143964

Sequence representing valid nontrivial 1-dimensional Hashi (a.k.a. Bridges or Hashiwokakero) puzzle orientations.

Terms

    a(0) =0a(1) =11a(2) =22a(3) =110a(4) =121a(5) =132a(6) =220a(7) =231a(8) =242a(9) =1100a(10) =1210a(11) =1221a(12) =1232a(13) =1320a(14) =1331a(15) =1342a(16) =2200a(17) =2310a(18) =2321a(19) =2332a(20) =2420a(21) =2431a(22) =2442a(23) =11000a(24) =12100a(25) =12210a(26) =12221a(27) =12232a(28) =12320a(29) =12331

External references