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 A070895 Triangle read by rows where T(n+1,k)=T(n,k)+n*T(n-1,k) starting with T(n,n)=1 and T(n,k)=0 if n
 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 10, 6, 4, 1, 1, 26, 18, 8, 5, 1, 1, 76, 48, 28, 10, 6, 1, 1, 232, 156, 76, 40, 12, 7, 1, 1, 764, 492, 272, 110, 54, 14, 8, 1, 1, 2620, 1740, 880, 430, 150, 70, 16, 9, 1, 1, 9496, 6168, 3328, 1420, 636, 196, 88, 18, 10, 1, 1, 35696, 23568 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 COMMENTS For n>k+1, T(n,k) is a multiple of k+2. Eigentriangle of inverse of (-1)^(n-k)*A094587. Row sums are A187044. - Paul Barry, Mar 02 2011 LINKS FORMULA T(n, k+1)=(T(n, k-1)-T(n-1, k))/k for 0

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Last modified April 7 13:36 EDT 2020. Contains 333305 sequences. (Running on oeis4.)