35321
domain: N
Appears in sequences
- a(n) = A077698(n+1)/A077698(n).at n=13A077699
- Binomial (Binomial (n,2), 3) - Binomial (Binomial (n,3), 2).at n=11A093567
- Least j > 1 such that j^2 = (4*n^2 + 2)*(k^2) + (4*n^2 + 2)*k + 1.at n=20A106231
- a(n) = 42*n^2 - 1.at n=28A158626
- E.g.f. satisfies: A(x) = Sum_{n>=0} exp(x*A(x)^(2*n) - 1)/n!.at n=5A196125
- The average of prime factors of n and n+1 is the same.at n=10A227755
- Number of partitions p of n such that (number of numbers in p of form 3k+2) < (number of numbers in p of form 3k).at n=47A241740
- The odd edge of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175).at n=37A298047
- 4-brilliant numbers: numbers which are the product of four primes having the same number of decimal digits.at n=47A376704