Number of length 2+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.
A247534
Number of length 2+3 0..n arrays with some disjoint pairs in every consecutive four terms having the same sum.
Terms
- a(0) =8a(1) =45a(2) =136a(3) =317a(4) =600a(5) =1033a(6) =1616a(7) =2409a(8) =3400a(9) =4661a(10) =6168a(11) =8005a(12) =10136a(13) =12657a(14) =15520a(15) =18833a(16) =22536a(17) =26749a(18) =31400a(19) =36621a(20) =42328a(21) =48665a(22) =55536a(23) =63097a(24) =71240a(25) =80133a(26) =89656a(27) =99989a(28) =111000a(29) =122881
External references
- oeis: A247534