Number of length 3+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
A249174
Number of length 3+6 0..n arrays with every seven consecutive terms having four times the sum of some three elements equal to three times the sum of the remaining four.
Terms
- a(0) =2a(1) =395a(2) =2258a(3) =11177a(4) =39066a(5) =115437a(6) =435346a(7) =1301347a(8) =3254058a(9) =7250601a(10) =14586864a(11) =27468493a(12) =48432962a(13) =90680841a(14) =159195650a(15) =266270819a(16) =425175128a(17) =656161039a(18) =978109790a(19) =1420349857a(20) =2103099262a(21) =3031628829a(22) =4265730016a(23) =5881688235
External references
- oeis: A249174