2211025domain: NAppears in sequencesConvolution of Fibonacci numbers and {F(2), F(3), F(4), ...}.at n=24A023610Tribonacci-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-1) + a(n-2) + a(n-3).at n=25A141036Number of subwords of the form UUUU in nondecreasing Dyck paths of length 2n.at n=16A375995