Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its two previous neighbors modulo 7.

A207098

Number of 0..6 arrays x(0..n-1) of n elements with each no smaller than the sum of its two previous neighbors modulo 7.

Terms

    a(0) =7a(1) =28a(2) =112a(3) =462a(4) =1904a(5) =7868a(6) =32531a(7) =134517a(8) =556259a(9) =2300219a(10) =9511719a(11) =39332200a(12) =162643507a(13) =672550879a(14) =2781080236a(15) =11500107101a(16) =47554350602a(17) =196643061212a(18) =813143132135

External references