18594

Appears in sequences

• Expansion of Product_{m>=1} (1-m*q^m)^30.at n=5A022690
• Numbers whose base-4 representation contains exactly three 0's and four 2's.at n=27A045056
• Diagonal sums of a Chebyshev number triangle.at n=11A101163
• The number of equal-sized equilateral triangles in the highest stack of triangles contained in successive Genealodrons formed from 2^n - 1 same size equilateral triangles.at n=20A179316
• Potential magic constants of a 10 X 10 magic square composed of consecutive primes.at n=22A192087
• a(n) = ceiling((n+1/n)^5).at n=6A197904
• Number of (n+2) X (4+2) 0..3 arrays with every consecutive three elements in every row and column not having exactly two distinct values, and in every diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=19A253021
• Partial sums of A299258.at n=28A299264
• a(n) = 972*n^2 - 1224*n + 414 with n > 0.at n=4A304166
• Number of 1's in n-th string when A000002 is expressed as 1, 2, 2, 11, 21, 221, 22112, 11221211, 21221121121, 2212211212212112, ....at n=26A334955
• Number of ways to write n as an ordered sum of 9 squarefree numbers.at n=10A341069