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A341648
a(n) = Sum_{k=0..n} A059434(n,k).
0
1, 3, 10, 50, 383, 4202, 62300, 1198428, 29017293, 863493787, 30975247186, 1318153524258, 65653348649840, 3783468780457767, 249776134158583129, 18727323882572742567, 1582533328237963169244, 149708251167591777011868, 15759134055081397060853633, 1835935033229837610653436592
OFFSET
0,2
COMMENTS
Row sums of both triangular arrays A059433 and A059434.
FORMULA
a(n) = Sum_{k=0..n} A059433(n,k).
EXAMPLE
a(3) = 1 + 7 + 16 + 26 = 50.
CROSSREFS
Sequence in context: A049370 A009343 A352414 * A307099 A048175 A288953
KEYWORD
nonn
AUTHOR
Petros Hadjicostas, Feb 16 2021
STATUS
approved