42111

Appears in sequences

• [ exp(1/23)*n! ].at n=7A030828
• Number of partitions satisfying cn(2,5) < cn(1,5) + cn(4,5) and cn(3,5) < cn(1,5) + cn(4,5).at n=42A039889
• Odd terms of A059756.at n=23A111042
• Positions of hexagonal pyramidal numbers in the EKG sequence.at n=39A144080
• a(n) = sum of all divisors of all numbers k such that n^2 <= k < (n+1)^2.at n=22A168012
• Concatenation of multiplicities of prime divisors of highly composite numbers A002182(n).at n=27A245500
• Triangle read by rows: T(n,k) is the number of oriented colorings of the edges of a regular n-dimensional simplex using exactly k colors. Row n has (n+1)*n/2 columns.at n=22A327087
• a(n) is the smallest composite number obtained by appending one or more 1's to n.at n=41A358154
• The lexicographically earliest "Increasing Term Fractal Jump Sequence" that does not use the digit 0 in any terms.at n=23A359385
• Expansion of Product_{k>=1} 1 / ((1 - x^k) * (1 - x^(k^2)) * (1 - x^(k^3))).at n=23A369576