102151

Appears in sequences

• Numerators of continued fraction convergents to sqrt(227).at n=3A041422
• Numerators of continued fraction convergents to sqrt(908).at n=7A042754
• a(n) = A077739(n)/n.at n=31A077740
• a(n) = A078213(n)/n.at n=31A078214
• a(n) = 1250*n^2 + 100*n + 1.at n=8A154375
• a(n) is the least number such that k = n*a(n) has sum of digits n and ends with the digit string n, or 0 if no such number exists.at n=45A175690
• Numerators of the sums of reciprocals of the Collatz (3x+1) sequence beginning with n and stopping at 1.at n=10A225761
• a(n) is the constant term in expansion of Product_{k=1..n} (x^(2*k-1) + 1 + 1/x^(2*k-1)).at n=15A369343