32970

Appears in sequences

• Bessel polynomial {y_n}''(1).at n=5A001516
• Number of quaternary codes of length 5 with n words.at n=5A034236
• Number of quaternary codes (not necessarily linear) of length n with 5 words.at n=4A034242
• Triangle of coefficients of polynomials enumerating trees with n labeled nodes by inversions.at n=47A052121
• a(n) = n^3+n for odd n, (n^3+n)*3/2 for even n: Row sums of A093915.at n=27A093917
• Number of permutations of length n which avoid the patterns 1234, 3421, 4312.at n=39A116756
• Averages of twin primes such that the sum of the lower, average and upper parts of the twin primes are averages of other twin primes.at n=15A132929
• Twin prime pair averages n such that 3*n and 9*n are also averages of twin prime pairs.at n=0A132992
• Triangle read by rows: T(n,k) is the number of functions f:{1,2,...,n}->{1,2,...,n} that have exactly k nonrecurrent elements mapped to some (one or more) recurrent element. n >= 1, 0 <= k <= n-1.at n=25A216971
• Numbers n = p * q, where n, p, and q together contain all 10 digits at least once.at n=29A253172
• Numbers n such that n is the average of four consecutive primes n-13, n-1, n+1 and n+13.at n=2A260959
• Numbers k such that (11*10^k - 131)/3 is prime.at n=21A282635
• Number of rooted unlabeled trees on n nodes where each node has at most 11 children.at n=14A292556
• Products of 5 distinct primes that are sandwiched between twin prime numbers.at n=23A376380