38827domain: NAppears in sequencesSolution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-2) + 3, where a(0) = 1, a(1) = 2, b(0) = 3.at n=18A294535Number of integer partitions of n having a permutation with all equal run-lengths.at n=42A383013