26214400

Appears in sequences

• Number of 1's in all compositions of n+1.at n=22A045623
• a(n) = n^2*4^n/4.at n=10A086952
• Number of binary strings of length n with equal numbers of 0001 and 1000 substrings.at n=25A164161
• a(n) = n*2^(n-5).at n=20A196410
• Binomial transform of the sum of the first n even squares (A002492).at n=15A240434
• Squares that can be expressed as the sum of two positive squares but not as the sum of three positive squares.at n=10A309779