A001018

View A001018 at the OEIS

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.

• A013620 → basis A007318 (match row sums)
  1 · 5, 3 · 25, 30, 9 · 125, 225, 135, 27 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  (−∞, −1] nonnegative rational roots
• A139548: Triangle T(n,k) with the coefficient of [x^k] of the polynomial (2*(x+1)^2)^n in row n, column k, 0<=k<=2n. (match row sums)
  1 · 2, 4, 2 · 4, 16, 24, 16, 4 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  A139548 (−∞, 0] nonnegative rational roots
• A299989: Triangle read by rows: T(n,0) = 0 for n >= 0; T(n,2*k+1) = A152842(2*n,2*(n-k)) and T(n,2*k) = A152842(2*n,2*(n-k)+1) for n >= k > 0. (match row sums)
  0, 1 · 0, 3, 4, 1 · 0, 9, 24, 22, 8, 1 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  A299989 (−∞, 0] nonnegative rational roots
• A013622: Triangle of coefficients in expansion of (3+5x)^n. (match row sums)
  1 · 3, 5 · 9, 30, 25 · 27, 135, 225, 125 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  A013622 (−∞, 0) [−1, 0] nonnegative rational roots
• A130123 → basis A013610 (match row sums)
  1 · 2, 6 · 4, 24, 36 · 8, 72, 216, 216 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  (−∞, 0] nonnegative rational roots
• A027466: Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j). (match row sums)
  1 · 7, 1 · 49, 14, 1 · 343, 147, 21, 1 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  A027466 (−∞, 0) nonnegative rational roots
• A027465 → basis A013611 (match row sums)
  1 · 4, 4 · 16, 32, 16 · 64, 192, 192, 64 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  (−∞, 0] nonnegative rational roots
• A038243 → basis A013609 (match row sums)
  1 · 6, 2 · 36, 24, 4 · 216, 216, 72, 8 … row sums 1, 8, 64, 512, 4096, 32768, 262144, …
  (−∞, 0] nonnegative rational roots