22188

Appears in sequences

• Numbers having four 3's in base 9.at n=24A043468
• a(n) = 12*n^2.at n=43A135453
• Number of strings of numbers x(i=1..8) in 0..n with sum i^3*x(i)^2 equal to 512*n^2.at n=12A184309
• Initial members of abundant quadruplets, i.e., values of k such that (k, k+2, k+4, k+6) are all abundant numbers.at n=38A231089
• Expansion of Product_{k>=1} (1 + x^k) / (1 - x^(3*k)).at n=45A285445
• Number of n X 4 0..1 arrays with every element equal to 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.at n=19A298163
• a(n) = n * Sum_{d|n} binomial(d+3,4)/d.at n=23A343545
• a(n) = 27^n * Sum_{k=0..n} binomial(1/3, k)^2.at n=3A367332