71117

Appears in sequences

• Palindromes whose digits do not appear in previous term.at n=42A030285
• Base-10 palindromes that start with 7.at n=33A043042
• a(0) = 0; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any two consecutive digits in the sequence is a prime.at n=28A152136
• a(1) = 1; thereafter a(n) is always the smallest integer > a(n-1) not leading to a contradiction, such that the concatenation of any two consecutive digits in the sequence is a prime.at n=27A152607
• Palindromic composite numbers starting with a digit 7.at n=25A222728
• Number of D&P Family matchings on n edges.at n=7A256332
• a(n) = numerator of the Y-coordinate of n*P where P is the generator [0,0] for rational points on the curve y^2 + y = x^3 + x^2.at n=11A350624