36828

Appears in sequences

• a(n) = floor(n*phi^15), where phi is the golden ratio, A001622.at n=27A004930
• a(n) = round(n*phi^15), where phi is the golden ratio, A001622.at n=27A004950
• Sum of binary numbers with n 1's and two (possibly leading) 0's.at n=8A059937
• Ooguri-Vafa invariants of disk domain wall degeneracies for brane I in the O(K) -> P^1 X P^1 geometry.at n=5A061609
• Nonpalindromic numbers k such that k is not divisible by 10 and k*R(k) is a square, where R(k) is the reversal of k (A004086).at n=30A062917
• Reverse of largest prime factor of n = smallest prime factor of n+1; a(1)=1.at n=26A071393
• Numbers k such that all the following properties hold: (i) k*reverse(k) is a square; (ii) k != reverse(k); (iii) k and reverse(k) are not both squares; and (iv) k and reverse(k) have the same number of digits.at n=19A082994
• Number of circular sequences of distinct positive integers between 1 and n such that the sum of any two consecutive elements is at least n+1.at n=11A108693
• Numbers that have exactly seven prime factors counted with multiplicity (A046308) whose digit reversal is different and also has 7 prime factors (with multiplicity).at n=24A109027
• G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) * (1-x^27) / (1-x)^9.at n=10A162602
• Number of reduced words of length n in Coxeter group on 9 generators S_i with relations (S_i)^2 = (S_i S_j)^5 = I.at n=5A163391
• Triangle read by rows: T(n,k) = number of normal planar lambda terms of size n with k free variables (n >= 1, 1 <= k <= n).at n=32A246323
• Numbers m such that m^2 + p^2 = k^2, with p > 0, where p = A007954(m) = the product of digits of m.at n=9A334558
• T(n, k) = [x^k] (1/2 - x)^(-n) - (1 - x)^(-n).at n=38A356117