246051

Appears in sequences

• a(n) = n^4 - (n-1)^4 + (n-2)^4 - ... 0^4.at n=26A062392
• Least triangular number of the form p*triangular(n) where p is a prime number, or 0 if no such triangular number exists.at n=26A225789
• Expansion of x^2*(10-5*x+x^2)/((1-x)^4*(1-x^2)).at n=36A331429