A363002 Number of positive nondecreasing integer sequences of length n whose Gilbreath transform is (1, 1, ..., 1).

1, 1, 1, 2, 5, 17, 82, 573, 5839, 86921, 1890317, 60013894, 2778068147

Offset: 0

Author

Pontus von Brömssen, May 13 2023

Keywords

• nonn
• more

Examples

			For n = 4, the a(4) = 5 sequences are:
  (1, 2, 2, 2),
  (1, 2, 2, 4),
  (1, 2, 4, 4),
  (1, 2, 4, 6),
  (1, 2, 4, 8).
		

Crossrefs

Cf. A080839 (increasing sequences), A362451, A363003, A363004 (distinct positive integers), A363005 (distinct integers).