32713

Properties

Appears in sequences

• Primes expressible as the sum of 3 consecutive palindromes.at n=5A046495
• Numbers that appear exactly five times in A101402. (Also indices of fives in A101403.).at n=22A129117
• Primes p1 such that p1^2+p2^3=pp are average of twin primes. p1 and p2 consecutive primes, p1 < p2.at n=33A138715
• Larger of pairs of emirps (A006567) whose difference with the (smaller) reversal is a triangular number (A000217).at n=23A217286
• Start with a single square; at n-th generation add a square at each expandable vertex; a(n) is the sum of all label values at n-th generation. (See comment for construction rules.)at n=12A247618
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 201", based on the 5-celled von Neumann neighborhood.at n=37A270722
• Nearest integer to the product of all integer roots of n from the second to the n-th.at n=30A330153
• a(n) is the least positive k such that A000041(n) divides A000041(n+k), or 0 if no such k exists.at n=52A346696
• Number of free mature snake polyominoes of n cells, where mature means that the snake cannot grow in either direction.at n=10A359521
• Prime numbersat n=3509