A039755

View A039755 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.

• A039755: Triangle of B-analogs of Stirling numbers of the second kind. (identification, match triangle)
  1 · 1, 1 · 1, 4, 1 · 1, 13, 9, 1 … row sums 1, 2, 6, 24, 116, 648, 4088, 28640, …
  A039755 (−∞, 0) nonnegative
• A039756: Triangle of B-analogs of Stirling numbers of 2nd kind. (match reversed triangle)
  1 · 1, 1 · 1, 4, 1 · 1, 9, 13, 1 … row sums 1, 2, 6, 24, 116, 648, 4088, 28640, …
  A039756 (−∞, 0) nonnegative
• A039755 → reverse (match reversed triangle)
  1 · 1, 1 · 1, 4, 1 · 1, 9, 13, 1 … row sums 1, 2, 6, 24, 116, 648, 4088, 28640, …
  (−∞, 0] nonnegative
• A039756 → reverse (match triangle)
  1 · 1, 1 · 1, 4, 1 · 1, 13, 9, 1 … row sums 1, 2, 6, 24, 116, 648, 4088, 28640, …
  (−∞, 0] nonnegative