56265

Appears in sequences

• Coefficient of x^4 in (1-x-x^2)^(-n).at n=29A006504
• Palindromic in bases 13 and 10.at n=24A029968
• Expansion of g.f. Product_{m>=1} 1/(1-x^m)^30.at n=4A082556
• a(n) = n*(n+1)*(4*n+1)/2.at n=30A135713
• Palindromic numbers such that the sum of the digits equals the number of divisors.at n=25A263720
• Expansion of Product_{k>=1} ((1 + x^k) / (1 + x^(2*k)))^k.at n=26A285289
• a(n) is the number in the first column of the Trithoff (tribonacci) array that starts off the row containing the tail of n times the tribonacci sequence.at n=32A351689