38480

Appears in sequences

• Iterated procedure 'composite k added to sum of its prime factors reaches a prime' yields 1 skipped prime.at n=22A050768
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 0), (0, 1, 1), (1, -1, 0), (1, 1, -1)}.at n=9A149043
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 0, 1), (0, 0, 1), (1, 0, -1), (1, 1, 0)}.at n=8A150552
• Number of n X 5 binary arrays without the pattern 0 1 diagonally or vertically.at n=14A188839
• Number of n X 1 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=24A239851
• a(n) = n^4 + 64.at n=14A272297
• a(n) = n^4/6 - 2*n^3/3 - n^2/6 + 5*n/3 + 1.at n=22A299198
• Number of 5Xn 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=7A303245
• Expansion of Product_{k>=1} (Product_{j=1..k} 1/(1 - x^(k*j))^j).at n=28A327066
• Triangle read by rows: T(n,k) is the number of noncrossing caterpillars with n edges and diameter k, 0 <= k <= n.at n=52A361357
• Triangle read by rows, (2, 2)-Lah numbers.at n=18A371081