103173

Appears in sequences

• Expansion of 1/(1-3*x-2*x^2-2*x^3).at n=9A077831
• Number of binary strings of length n with no substrings equal to 0000 or 0010.at n=19A164387
• Numbers k such that sum_{i=1..k} d(i)^2 is a square c^2, where d(i) is the number of divisors of i.at n=28A186429