281249

Properties

Appears in sequences

• Number of nonnegative integer 3 X 3 matrices with sum of elements equal to n, under action of dihedral group of the square D_4.at n=19A054343
• Trimorphic but not bimorphic nor automorphic.at n=40A056032
• Smaller member of a twin prime pair with a square sum.at n=19A069496
• Numbers n such that all the divisors of n appear as substrings in n^3.at n=13A074493
• Primes p such that 5 is the largest of all prime factors of the numbers between p and the next prime (cf. A052248).at n=21A080185
• Primes p such that p-1 and p+1 are divisible by a fifth power.at n=20A089212
• n is prime and digits of n^3 include digits of n as substring.at n=10A115739
• Primes p such that p^p ends in p and p is not congruent to 1 (mod 10).at n=14A177192
• Numbers n with k digits such that n^2 == 1 (mod 10^k).at n=27A181607
• Numbers whose squares have 2R-1 digits, such that the number represented by leftmost R digits and number represented by rightmost R digits divide each other evenly.at n=36A216233
• (2*5^(2^n) + (10^n)/2 - 1) mod 10^n: a sequence of trimorphic numbers ending (for n > 1) in 9.at n=5A224475
• Primes p such that the decimal expansion of p^5 ends in p.at n=29A224904
• Smaller member of a twin prime pair with a perfect power sum.at n=22A270231
• Numbers m such that each of the four consecutive integers m, m+1, m+2, m+3 has squarefree rank 1.at n=9A290340
• Starts of runs of 4 consecutive numbers that have mutually distinct exponents in their prime factorization (A130091).at n=22A342030
• Prime numbersat n=24537