26685

Appears in sequences

• Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).at n=26A032744
• Denominators of convergents to Euler-Mascheroni constant.at n=10A046115
• Values of n for which there are no empty intervals when frac(m*gamma) for m = 1, ..., n is plotted along [0, 1] subdivided into n equal regions.at n=16A046158
• Greedy frac multiples of gamma: a(1)=1, Sum_{n>0} frac(a(n)*x) = 1 at x=gamma, where "frac(y)" denotes the fractional part of y.at n=15A080157
• 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, -1), (-1, 0, 1), (0, 1, -1), (1, 0, 0), (1, 0, 1)}.at n=8A150393
• Third column of A155092.at n=16A155099
• Coefficient triangle of the numerators of the (n-th convergents to) the continued fraction 1/(w+2/(w+3/(w+4/... .at n=57A180049
• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.at n=3A208026
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.at n=39A208028
• Number of 4 X n 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 0 and 1 0 1 vertically.at n=5A208029
• Triangle of third-order Eulerian numbers: 3-Stirling permutations enumerated by ascents.at n=19A219512
• Volume of torus (rounded down) with major radius = n and minor radius = n/3.at n=22A228641
• Triangular array: row n gives the coefficients of the polynomial p(n,x) defined in Comments.at n=57A248809
• Triangle of coefficients T(n,k) of polynomials p(n,x) = Sum_{k=0..n} T(n,k)*x^k where T(0,0) = 1, and T(n,k) = 0 for k < 0 or k > n, and T(n,k) = T(n-1,k-1) + (2*n-1+k)*T(n-1,k) for n > 0 and 0 <= k <= n.at n=23A265649
• Numbers k such that (2*10^k - 41)/3 is prime.at n=22A280431