40321
domain: N
Appears in sequences
- Numerators of coefficients for repeated integration.at n=4A002683
- Numerator of (1 + Gamma(n))/n.at n=8A005450
- Strong pseudoprimes to base 12.at n=27A020238
- Strong pseudoprimes to base 50.at n=20A020276
- Strong pseudoprimes to base 71.at n=22A020297
- Composite numbers whose prime factors contain no digits other than 1 and 6.at n=7A036306
- a(n) = n! + 1.at n=8A038507
- Sums of nonconsecutive factorial numbers.at n=35A060112
- Sum of factorials of the digits of n.at n=18A061602
- Integers of the form m! + n!, m and n = positive integers.at n=28A066847
- a(n) is the least semiprime > n!.at n=7A089539
- Semiprimes of the form m! + 1.at n=4A090159
- Least squarefree number > n!.at n=7A092983
- Number of gap-free compositions of n into distinct parts, cf. A107428.at n=51A107461
- Number of gap-free compositions of n into distinct parts, cf. A107428.at n=43A107461
- Semiprimes (A001358) that are sums of distinct factorials.at n=38A115646
- a(n) = smallest composite which is > n! and is coprime to n!.at n=8A118069
- a(n) = (2n)! + 1.at n=4A127231
- The first entry of the vector v[n]=M[n]v[n-1], where M[n] is a 7 X 7 matrix M[n] = [[n, 0, 0, 0, 0, 0, 1], [1, 0, 0, 0, 0, 0, 0], [0, 1, 0, 0, 0, 0, 0], [0, 0, 1, 0, 0, 0, 0], [0, 0, 0, 1, 0, 0, 0], [0, 0, 0, 0, 1, 0, 0], [0, 0, 0, 0, 0, 1, 0]] and v[0] is the column vector [0, 0, 0, 0, 0, 0, 1].at n=8A130641
- Triangle read by rows: (A000012 * A136572 + A136572 * A000012) - A000012.at n=38A136573