A001353
identification: the entry's rule defines the sequence for every index; tail: the sequence is the entry's tail after some prefix rows; match_*: finite agreement only.
-
A172431 → x ↦ x/(x+1)
(match row sums)
1 · 1, 3 · 1, 6, 8 · 1, 9, 25, 21 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
A179900: Triangle T(n,k) read by rows: coefficient of [x^k] of the polynomial p_n(x)=(5-x)*p_{n-1}(x)-p_{n-2}(x), p_0=1, p_1=5-x.
(match row sums)
1 · 5, -1 · 24, -10, 1 · 115, -73, 15, -1 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
chebyshev_u → x ↦ x+1
(match row sums)
1 · 2, 2 · 3, 8, 4 · 4, 20, 24, 8 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
A053117 → x ↦ x+1
(match row sums)
1 · 2, 2 · 3, 8, 4 · 4, 20, 24, 8 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
A125662 → reverse
(match row sums)
1 · 1, 3 · 1, 6, 8 · 1, 9, 25, 21 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
A078812 → basis A007318
(match row sums)
1 · 3, 1 · 8, 6, 1 · 21, 25, 9, 1 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …
-
A125662: A convolution triangle of numbers based on A001906 (even-indexed Fibonacci numbers).
(match row sums)
1 · 3, 1 · 8, 6, 1 · 21, 25, 9, 1 … row sums 1, 4, 15, 56, 209, 780, 2911, 10864, …