25552
domain: N
Appears in sequences
- Fibonacci sequence beginning 0, 16.at n=17A022350
- a(n) = n * Fibonacci(n+1).at n=16A023607
- Numbers that are palindromic in bases 10 and 15.at n=20A029970
- Palindromic and divisible by 8.at n=35A045643
- Palindromes with exactly 5 prime factors (counted with multiplicity).at n=33A046331
- Palindromic untouchable numbers.at n=40A048187
- a(n) = concatenate(n, A010888(2*n), reverse(n)), where A010888 = digital root.at n=24A082944
- Convoluted convolved Fibonacci numbers G_6^(r).at n=34A089111
- Biquadrateful (i.e., not biquadrate-free) palindromes.at n=15A133514
- a(n+1)-+a(n)=prime, a(n+1)*a(n)=Average of twin prime pairs, a(1)=1,a(2)=4.at n=33A154493
- A triangle sequence of the form:q=2:t(n,m,q)=Sum[q^i*Floor[Eulerian[n + 1, m]/2^i], {i, 0, 10}].at n=24A174039
- Zeroless numbers n such that n and n - (product of digits of n) are both palindromes.at n=23A229761
- E.g.f. A(x) satisfies A(x) = 1/( 1 - sinh(x * A(x)) / A(x) )^2.at n=6A381383