The array of A063179 read by diagonals in direction of creation.

Terms

a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =2a(8) =3a(9) =4a(10) =0a(11) =4a(12) =7a(13) =10a(14) =12a(15) =0a(16) =12a(17) =22a(18) =31a(19) =38a(20) =42a(21) =0a(22) =42a(23) =80a(24) =115a(25) =144a(26) =166a(27) =178a(28) =0a(29) =178