18153

Appears in sequences

• Cluster series for honeycomb.at n=19A003204
• Number of partitions of n with equal number of parts congruent to each of 1 and 3 (mod 5).at n=50A035557
• Numbers k that divide 7^k + 2^k.at n=34A045580
• Roman numerals for n evaluated as if in Sallows' base 27.at n=20A073427
• Number of permutations of 1..n containing the relative rank sequence { 145236 } at any spacing.at n=3A159113
• Number of permutations of 1..n containing the relative rank sequence { 154362 } at any spacing.at n=3A159128
• Number of permutations of 1..n containing the relative rank sequence { 245613 } at any spacing.at n=3A159156
• Number of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.at n=7A196741
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.at n=47A196746
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 2,3,1,0,4 for x=0,1,2,3,4.at n=52A196746
• Array of coefficients of powers of x^2 for (S(2*n+1,x)/x)^3, with Chebyshev's S polynomials A049310.at n=46A220665
• Number of partitions of n into 7 parts such that every i-th smallest part (counted with multiplicity) is different from i.at n=33A244243
• Number of cases of tie (no winner) in the n-person rock-paper-scissors game.at n=8A245023
• Records in A352187.at n=52A352191
• Maximal coefficient of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).at n=49A369728
• Maximum of the absolute value of the coefficients of (1 - x) * (1 - x^4) * (1 - x^9) * ... * (1 - x^(n^2)).at n=49A369986