Number of length 1+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.
A248988
Number of length 1+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.
Terms
- a(0) =2a(1) =53a(2) =204a(3) =585a(4) =1326a(5) =2817a(6) =5028a(7) =8789a(8) =13970a(9) =21601a(10) =31512a(11) =45353a(12) =62194a(13) =84725a(14) =111556a(15) =145697a(16) =185598a(17) =235249a(18) =291740a(19) =360701a(20) =438402a(21) =530913a(22) =634224a(23) =755745a(24) =889506a(25) =1045157a(26) =1215548a(27) =1410889a(28) =1623630a(29) =1865681
External references
- oeis: A248988