57612

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 40.at n=11A031718
• Semi-diagonal (one row below central terms) of pendular triangle A118350 and equal to the self-convolution of the central terms (A118351).at n=6A118352
• Convolution triangle, read by rows, where diagonals are successive self-convolutions of A118351.at n=42A118354
• a(n) = 144*n^2 + 12.at n=20A158546
• Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) with a(0)=3, a(1)=4, a(2)=5.at n=17A280308