Number of 0..4 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 5.
A200465
Number of 0..4 arrays x(0..n-1) of n elements with each no smaller than the sum of its four previous neighbors modulo 5.
Terms
- a(0) =5a(1) =15a(2) =45a(3) =135a(4) =405a(5) =1213a(6) =3627a(7) =10846a(8) =32429a(9) =96970a(10) =289870a(11) =866499a(12) =2590128a(13) =7742621a(14) =23144448a(15) =69183744a(16) =206804024a(17) =618180094a(18) =1847865864a(19) =5523643627a(20) =16511274210a(21) =49355507149a(22) =147533484214a(23) =441007079909
External references
- oeis: A200465