Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo 5 and the upper left element equal to 0.
A267203
Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, southwest or northwest neighbors modulo 5 and the upper left element equal to 0.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =6a(6) =47a(7) =300a(8) =1233a(9) =3337a(10) =7048a(11) =15214a(12) =43620a(13) =224133a(14) =1567797a(15) =10356991a(16) =58751450a(17) =281746346a(18) =1167238072a(19) =4352934719a(20) =15495243129a(21) =57125652937a(22) =236999679008
External references
- oeis: A267203