217154

Appears in sequences

• Expansion of (1-x-x^2+2*x^3) / ((1-x)*(1+x)*(1-3*x+x^2)).at n=13A038990
• a(n) = F(n)^2 + F(n+1)^2 + F(n+2)^2, where F(n) denotes the n-th Fibonacci number.at n=12A127546
• Numbers that are the sum of five fourth powers in five or more ways.at n=31A344358
• Numbers that are the sum of five fourth powers in six or more ways.at n=3A344940
• Numbers that are the sum of five fourth powers in seven or more ways.at n=2A344942
• Numbers that are the sum of five fourth powers in exactly seven ways.at n=2A344943
• a(n) = A000045(n)*A000045(n+1) mod A000032(n).at n=26A357553