Number of length 4+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.

A245954

Number of length 4+3 0..n arrays with some pair in every consecutive four terms totalling exactly n.

Terms

    a(0) =88a(1) =1501a(2) =7744a(3) =31465a(4) =82968a(5) =199141a(6) =397504a(7) =754321a(8) =1292440a(9) =2144941a(10) =3335808a(11) =5074681a(12) =7380184a(13) =10560565a(14) =14620288a(15) =19990561a(16) =26650584a(17) =35181181a(18) =45522880a(19) =58435081a(20) =73803928a(21) =92598661a(22) =114633024a(23) =141119665a(24) =171779608a(25) =208104781

External references