27390

Appears in sequences

• Expansion of Product_{m>=1} (1+m*q^m)^-15.at n=8A022707
• Multiplicity of highest weight (or singular) vectors associated with character chi_61 of Monster module.at n=40A034449
• Squarefree oblong (pronic) numbers having an odd number of prime factors.at n=22A098827
• Numbers k such that lcm(1,2,3,...,k)/13 equals the denominator of the k-th harmonic number H(k).at n=16A112818
• 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), (0, 0, 1), (0, 1, 0), (0, 1, 1), (1, 0, 0)}.at n=7A151242
• a(n) = (4*n+1)*(4*n+2) = (4*n+2)!/(4*n)!.at n=41A157870
• Number of length 6 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than n.at n=10A205343
• Number of n X 1 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1) X 2 0..3 array without adjacent equal elements in the latter.at n=7A229314
• T(n,k)=Number of nXk 0..3 arrays of the median of the corresponding element, the element to the east and the element to the south in a larger (n+1)X(k+1) 0..3 array without adjacent equal elements in the latter.at n=28A229320
• Real part of Sum_{k=0..n} (k + i^k)^2, where i=sqrt(-1).at n=43A236377
• Oblong numbers that are the sum of 2 successive primes.at n=37A298077
• Positive numbers k such that -k, -(k + 1), and -(k + 2) are 3 consecutive negative negaFibonacci-Niven numbers (A331088).at n=51A331090
• Numbers k such that A008475(k)+1 = A008475(k+1).at n=35A333801
• Numbers k such that A181894(k)+1 = A181894(k+1).at n=29A333802
• Oblong numbers which are products of five distinct primes.at n=8A359304