50490

Appears in sequences

• Area of more than one Pythagorean triangle.at n=37A009127
• a(n) = floor( n*(n-1)*(n-2)*(n-3)/28 ).at n=36A011938
• a(1) = 1, a(n) = Sum_{k=1..n-1} a(k)*2^k.at n=5A082472
• Row sums in A083167.at n=33A083170
• Numbers n divisible by exactly four nontrivial permutations (rearrangements) of the digits of n.at n=1A090059
• Square array read by antidiagonals downwards: super Patalan numbers of order 6.at n=13A248328
• a(n) = 324*n^2 - 336*n + 102 (n >= 1).at n=12A304165
• Triangle T(n, k) read by rows, n > 0 and 0 < k <= 3^(n-1): T(n, k) = A321768(n, k) * A321769(n, k) / 2.at n=27A322170
• a(n) = n * Sum_{d|n} binomial(d+3,4)/d.at n=29A343545
• Heinz numbers of integer partitions where every partial run (consecutive constant subsequence) has a different sum, and these sums include every integer from 0 to the greatest part.at n=46A353867