Triangle read by rows: this is a variant of A008280 in which 2 rows go from left to right, 2 from right to left, 2 from left to right, etc.
A058257
Triangle read by rows: this is a variant of A008280 in which 2 rows go from left to right, 2 from right to left, 2 from left to right, etc.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =0a(5) =1a(6) =1a(7) =1a(8) =1a(9) =0a(10) =3a(11) =2a(12) =1a(13) =0a(14) =0a(15) =0a(16) =3a(17) =5a(18) =6a(19) =6a(20) =6a(21) =0a(22) =0a(23) =3a(24) =8a(25) =14a(26) =20a(27) =26a(28) =71a(29) =71
External references
- oeis: A058257