44652

Appears in sequences

• Number of partitions of 3-smooth numbers into parts not greater than 3.at n=36A117220
• Wavelength (in ångströms) of the series limit of the Hydrogen spectrum for main quantum number n.at n=6A145646
• Numbers k such that (10^k - 1)*150/99 + 1 is prime.at n=10A153332
• Row sums of A163357 and A163359.at n=37A163365
• Smith numbers of order 3.at n=12A178213
• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,4,2,2,0,0,0 for x=0,1,2,3,4,5,6.at n=5A197931
• Number A(n,k) of partitions of n^k into parts that are at most n; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=48A238016
• Number of partitions of 9^n into parts that are at most n.at n=3A238566
• Number of partitions of n^6 into parts that are at most n.at n=3A238611
• Number of partitions of 3^n into parts that are at most 3.at n=6A238630
• Number of length 6 1..(n+2) arrays with no leading or trailing partial sum equal to a prime and no consecutive values equal.at n=9A254223
• Numbers k such that (91*10^k + 11)/3 is prime.at n=27A271822
• Numbers k such that 3k - 1 divides 3^k - 1.at n=23A273614
• Number of partitions of n^2 into at most three parts.at n=27A274250
• Number of partitions of n^3 into at most three parts.at n=9A274251
• Partial sums of A299894.at n=45A299895
• Number of 3Xn 0..1 arrays with every element equal to 0, 1, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=13A303198
• Triangle T(n,k) whose k-th column is the k-fold self-convolution of the primes; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=61A340991
• The smallest number such that n or more positive numbers k exist such that a(n) - k = sopfr(a(n) + k), where sopfr(m) is the sum of the primes dividing m, with repetition.at n=12A369355