31374

Appears in sequences

• Let N = 23571113171923293137... the concatenation of primes; partition this number into minimal strings of composite numbers.at n=6A068663
• a(n) = n * [1 + sum(k=1 to n-1) prime(k)].at n=27A083719
• Number of permutations of length n which avoid the patterns 2314, 4213, 4312.at n=9A116806
• Number of permutations of n distinct letters (ABCD...) each of which appears thrice with n-4 fixed points.at n=5A124008
• Nine times hexagonal numbers: a(n) = 9*n*(2*n-1).at n=42A152994
• Numbers n such that n^6 + 545 is prime.at n=21A163592
• Averages of four consecutive cubes.at n=31A173965
• Table read by rows of numbers of unordered pairs of partitions of n-element set that have Rand distance k (n>=2, 1 <= k <= n(n-1)/2).at n=44A192100
• Saturated two-layer networks on n channels.at n=10A244485
• Permutation of natural numbers: a(n) = A078898(A003961(A003961(A003961(2*n)))).at n=63A249826
• Digits of the Copeland-Erdős constant taken in groups of five digits.at n=16A304652
• The smallest of 3 consecutive integers such that the first is divisible by the square of a prime, the second is divisible by the cube of a prime, and the third is divisible by the fourth power of a prime.at n=22A349952