36863
domain: N
Appears in sequences
- Products of 2 successive primes.at n=42A006094
- Palindromes of form k*(k+2); or palindromes 1 less than a square.at n=9A028504
- Palindromes which are the product of two consecutive primes.at n=3A028979
- Numbers that are the product of a pair of twin primes.at n=13A037074
- Numbers having four 7's in base 8.at n=35A043452
- Expansion of (1+x^2-x^3)/((1-x)*(1-2*x)).at n=14A052996
- Both n and its reverse are one less than a square.at n=9A066619
- Product of twin primes of form (4*k+3,4*(k+1)+1), k>=0.at n=6A071700
- Multiplicative closure of twin prime pair products (A037074).at n=29A074480
- Number of 2-input gates used to synthesize parity function in disjunctive normal form (DNF) with n inputs.at n=11A074494
- Squarefree numbers k such that A076341(k) = 0.at n=15A076352
- a(1) = 2, a(n+1) = smallest squarefree number == 1 (mod a(n)) and > a(n).at n=15A076698
- Duplicate of A076698.at n=15A076993
- Duplicate of A028979.at n=3A082629
- Palindromic brilliant numbers.at n=21A084350
- a(n) = prime(2*n-1)*prime(2*n).at n=21A089581
- Numbers n such that n+1 and phi(n)+1 are both perfect squares.at n=25A089952
- Numbers k such that k+1 and sigma(k)+1 are both perfect squares.at n=17A089954
- Integer part of n#/(p-3)#, where p=preceding prime to n.at n=42A102790
- Integer part of n#/(p-5)#, where p=preceding prime to n.at n=41A102791