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A367775
a(n) = Sum_{k=0..n} (-1)^(n - k) * A011971(n, k).
0
1, 1, 4, 7, 37, 94, 587, 1925, 13606, 54217, 424381, 1979704, 16918869, 90086877, 831972372, 4964577987, 49154794969, 324183365662, 3419501188439, 24655458609377, 275624716500750, 2153735319395661, 25406228456463665, 213606545948092304, 2649077873736448473
OFFSET
0,3
COMMENTS
Alternating row sums of the Peirce/Aitken/Bell triangle A011971.
PROG
(Python) # Using the function b from A367808.
def a(n): return sum(b(n)[k] * (-1)**(n - k) for k in range(n + 1))
print([a(n) for n in range(25)])
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Luschny, Dec 02 2023
STATUS
approved