63936

Appears in sequences

• Theta series of direct sum of 2 copies of D_4 lattice in powers of q^2.at n=11A008658
• Differences between two positive cubes in exactly 2 ways.at n=29A014440
• Palindromic in bases 10 and 11.at n=23A029966
• Period of 1/n in sequence A033938.at n=15A033939
• Difference between two positive cubes in more than one way.at n=31A034179
• Palindromic numbers which are the difference of two positive cubes.at n=14A038808
• Palindromes with exactly 10 prime factors (counted with multiplicity).at n=4A046336
• Palindromes expressible as the sum of 3 consecutive palindromes.at n=39A046498
• a(n) = A055993(n) - A034444(A056627(n)).at n=41A056630
• a(n) = A055993(n) - A034444(A056627(n)).at n=42A056630
• a(1) = 1; a palindrome is included in the sequence if it has a prime signature that is different from all previous terms.at n=39A083433
• Numbers k such that 2^k - 1 is divisible by (k-1).at n=38A087965
• Triangle of numbers obtained from the partition array A134133.at n=47A134134
• Third column of triangle A134134 (S2'(2)= S1hat(2)).at n=7A144896
• Palindromes n with the property that for some prime p, n = p + prime(p).at n=7A155214
• Palindromes which are sums of two consecutive primes.at n=36A162571
• Numbers with prime factorization pq^3r^6.at n=13A190467
• a(n) = Fibonacci(n)*A008655(n) for n >= 1, with a(0)=1, where A008655 lists the coefficients in (theta_3(x)*theta_3(3*x) + theta_2(x)*theta_2(3*x))^4.at n=6A205968
• The greedy sequence of real numbers at least 1 that do not contain any 4-term geometric progressions with integer ratio.at n=17A235055
• a(n) is the smallest even k >= 2 such that the first n multiples of k have the same sum of digits, but (n + 1)*k has a different one. a(n) = 0 if no such k exists.at n=31A237994