30826

Appears in sequences

• Absolute value of coefficients of an elliptic function.at n=9A001940
• Triangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^((2*p-1)/2)) = (2*p-1)*(column p of T), or [T^((2*p-1)/2)](m,0) = (2*p-1)*T(p+m,p+1) for all m>=1 and p>=0.at n=22A105615
• Column 1 of triangle A105615.at n=5A105616
• Matrix square-root of triangle A105615.at n=21A105623
• Number of n X n 0..1 arrays with every element unequal to 0, 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.at n=5A305334
• Number of nX6 0..1 arrays with every element unequal to 0, 1, 2, 5 or 8 king-move adjacent elements, with upper left element zero.at n=5A305338
• Number of (binary) max-heaps on n elements from the set {0,1} containing exactly seven 0's.at n=26A326508
• Expansion of e.g.f. (exp(x)-1)*(exp(x) - x^4/24 - x^3/6 - x^2/2 - x - 1).at n=15A342380
• a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero n-gonal pyramidal numbers in exactly n ways, or 0 if no such integer exists.at n=16A350210