28249

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 81.at n=34A020420
• Number of Greek-key tours on a 4 X n board; i.e., self-avoiding walks on 4 X n grid starting in top left corner.at n=9A046995
• Number T(n,k) of standard Young tableaux for partitions of n into exactly k distinct parts; triangle T(n,k), n>=0, 0<=k<=A003056(n), read by rows.at n=48A219311
• Number of standard Young tableaux for partitions of n into exactly 3 distinct parts.at n=7A219316
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + 2*b(n-1) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=16A294420
• Total area of all trapezoids with bases p+q, q-p and height p*q with p,q prime, n = p+q and p < q.at n=45A335187