23832

Appears in sequences

• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite TON = Theta-1 Nan[AlnSi24-nO48] starting with a T1 atom.at n=13A019243
• Pisot sequences E(6,8), P(6,8).at n=29A020716
• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-4).at n=35A023434
• Even palindromes in which parity of digits alternates.at n=34A030149
• Palindromes that are divisible by 6.at n=41A045641
• Palindromic and divisible by 8.at n=32A045643
• Palindromic and divisible by 9.at n=37A045644
• Palindromes with exactly 6 prime factors (counted with multiplicity).at n=8A046332
• Composite palindromes whose sum of prime factors is palindromic (counted with multiplicity).at n=36A046354
• Palindromes expressible as the sum of 2 consecutive palindromic primes.at n=8A046490
• Number of subsets of {1,2,3,...,n} that sum to 0 mod 11.at n=18A068032
• Partition the nonnegative integers into minimal groups whose sums are palindromes; this sequence gives the sums.at n=42A072482
• a(n) = phi(Padovan(n+4)).at n=37A107797
• Palindromes sandwiched between twin primes.at n=8A113838
• Triangle read by rows: T(n,k) is the number of hill-free Dyck paths of semilength n and having k peaks at odd levels (0<=k<=n-2; n>=2). A hill in a Dyck path is a peak at level 1.at n=57A114586
• Expansion of g.f. x/((1-x)*(1-3*x+2*x^2-x^3)).at n=11A137229
• a(n) = A000931(n+4) - A010060(n).at n=38A140514
• Palindromes which are sums of two consecutive primes.at n=17A162571
• Number of 3 X 3 semimagic squares with distinct positive values and magic sum n.at n=15A173547
• Average of twin prime pairs with multiple and strictly distinct powers.at n=29A177426