17039360

Appears in sequences

• Sums of 2 distinct powers of 8.at n=34A038484
• Triangle of coefficients of certain polynomials (exponents in decreasing order).at n=36A046757
• Triangle of coefficients of certain polynomials (exponents in decreasing order).at n=37A046757
• S(n; 1,1) = S(n; 3,1) where S(n; t,s) is the number of length n 4-ary strings whose digits sum to t mod 4 and whose sum of products of all pairs of digits sum to s mod 4.at n=13A068778
• S(n; 1,3) = S(n; 3,3) where S(n; t,s) is the number of length n 4-ary strings whose digits sum to t mod 4 and whose sum of products of all pairs of digits sum to s mod 4.at n=13A068788
• Numbers such that the digital sums in base 2, base 4 and base 8 are all equal.at n=23A135124
• a(0) = 1, a(1) = 4, a(2) = 11, and a(n) = 4*a(n-1) - 4*a(n-2) for n >= 3.at n=20A339252
• a(n) = n^6 * Product_{p|n, p prime} (1 + 1/p^6).at n=15A351301
• Expansion of Sum_{k>0} (k * x * (1 + (k * x)^k))^k.at n=7A360732
• a(n) = (9*n)!*(2*n)!*(3*n/2)!/((9*n/2)!*(4*n)!*(3*n)!*n!).at n=3A364173
• a(n) is the least k such that A161606(k) = n or a(n) = -1 if no such k exists.at n=20A385677
• Smallest integer k whose sum of its distinct prime factors and bigomega(k) both equal n; or -1 if no such integer exists.at n=18A386605