38231

Properties

Appears in sequences

• Primes of the form (5+ a triangular number A000217).at n=30A159049
• Smallest positive integer which cannot be calculated by an expression containing n binary operators (either add or multiply) whose operands are integers between 1 and 9; parenthesis allowed.at n=7A181957
• Numerator of the average number of move operations required by an insertion sort of n (distinct) elements.at n=9A212396
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 579", based on the 5-celled von Neumann neighborhood.at n=34A273028
• Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros.at n=35A334769
• a(n) = smallest m that generates a rotationally symmetrical XOR-triangle T(m) with a central triangle of zeros with side length n.at n=9A334771
• a(n) sets a record for side length k of zero-triangle in a rotationally symmetrical XOR-triangle.at n=6A335077
• Positions of records in A194943.at n=30A362850
• Prime numbersat n=4035