Number of n X 2 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the sum of elements above it, modulo 3.
A238806
Number of n X 2 0..2 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the sum of elements above it, modulo 3.
Terms
- a(0) =3a(1) =8a(2) =15a(3) =25a(4) =39a(5) =58a(6) =83a(7) =115a(8) =155a(9) =204a(10) =263a(11) =333a(12) =415a(13) =510a(14) =619a(15) =743a(16) =883a(17) =1040a(18) =1215a(19) =1409a(20) =1623a(21) =1858a(22) =2115a(23) =2395a(24) =2699a(25) =3028a(26) =3383a(27) =3765a(28) =4175a(29) =4614
External references
- oeis: A238806