OFFSET
2,2
COMMENTS
EXAMPLE
The first six consecutive ludic numbers for which the fifth difference is 0 are (47, 53, 61, 67, 71, 77), so a(5) = 47. The successive differences are (6, 8, 6, 4, 6), (2, -2, -2, 2), (-4, 0, 4), (4, 4), and (0).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Pontus von Brömssen, Dec 08 2021
STATUS
approved