246048

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 31.at n=15A031709
• Pyramidal 47-gonal numbers.at n=31A130566
• First differences (A131771) equal this sequence with terms repeated at positions: {m*(m+1)/2, m>=0}.at n=37A131770
• a(n) = 961*n^2 + 2*n.at n=15A158413
• a(n) = binomial(n, 2) + 6*binomial(n, 4).at n=33A327319