36714

Appears in sequences

• Numerators of continued fraction convergents to sqrt(45).at n=10A041076
• Number of evil primes (A027699) in range ]2^n,2^(n+1)].at n=19A095006
• Number of permutations in S_n avoiding 31{bar 5}{bar 4}2 (i.e., every occurrence of 312 is contained in an occurrence of a 31542).at n=10A137550
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=9A150066
• Expansion of Product_{k>=1} ((1 + k*x^k) / (1 + x^k)).at n=29A268500
• a(n) is the number of configurations of n indistinguishable pairs placed on the vertices of the ladder graph P_2 X P_n such that all but 5 such pairs are joined by an edge.at n=7A318270
• Triangle read by rows giving the number of configurations of n indistinguishable pairs placed on the vertices of the ladder graph P_2 X P_n such that exactly k such pairs are joined by an edge.at n=30A325753