51482970

Appears in sequences

• a(n) = binomial(n+4,4) * binomial(n+8,4).at n=16A104475
• Denominators of first derivatives of Catalan numbers (as continuous functions of n).at n=22A260631
• a(n) = A332560(n)/A332559(n).at n=16A332561
• Numbers that occur exactly 5 times in A036038, i.e., numbers m such that the multinomial coefficient (x_1 + ... + x_k)!/(x_1! * ... * x_k!) is equal to m for exactly 5 integer partitions (x_1, ..., x_k).at n=25A376375
• Positive integers whose maximum frequency in a fixed row of A036038 (or A078760) is equal to 3, i.e., numbers m such that A376663(m) = 3.at n=20A376670
• a(n) = (5*n)!/((n!)^2*(3*n + 1)!).at n=5A383439