38448

Appears in sequences

• Triangle T(n,k) is the number of restricted growth strings (RGS) of set partitions of {1..n} that have a decrease at index k (1<=k<n).at n=40A056862
• Card-matching numbers (Dinner-Diner matching numbers).at n=27A059058
• Card-matching numbers (Dinner-Diner matching numbers).at n=20A059068
• Expansion of 3*x/(1 - 2*x^2 - 2*x + x^3).at n=11A120718
• Expansion of q^(3/8) * a(q) / eta(q^3)^3 in powers of q where a() is a cubic AGM function.at n=31A187429
• Nonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+287)^2 = y^2.at n=28A205644
• a(n) = smallest k such that prime(n) is the n-th largest divisor of k.at n=23A226326
• Shiraishi numbers: a parametrized family of solutions c to the Diophantine equation a^3 + b^3 + c^3 = d^3 with d = c+1.at n=31A226903
• Expansion of 1/(Sum_{i>=0} q^(2*i*(i+1))/Product_{j=0..i} (1 - q^(2*j+1))^2).at n=45A294599
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 0, a(1) = 1, a(2) = 0, a(3) = 2.at n=24A295681
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 0, a(1) = 2, a(2) = 0, a(3) = 1.at n=24A295682
• Number of nXn 0..1 arrays with every element unequal to 2, 3 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=7A317897