24231

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 31 ones.at n=5A031799
• Numbers n such that Maple 9.5, Maple 10, Maple 11 and Maple 12 give the wrong answers for the number of partitions of n.at n=30A110375
• a(n) = Sum_{k=1..n} k*k', where n' is the arithmetic derivative of n.at n=45A190117
• Number of n-bead necklaces labeled with numbers -1..1 not allowing reversal, with sum zero and first and second differences in -1..1.at n=24A209000
• Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4.at n=26A239844
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 310", based on the 5-celled von Neumann neighborhood.at n=39A271198
• Number of nX6 0..1 arrays with every element equal to 1, 2, 4 or 6 king-move adjacent elements, with upper left element zero.at n=11A298053