19362
domain: N
Appears in sequences
- Number of points on surface of cuboctahedron (or icosahedron): a(0) = 1; for n > 0, a(n) = 10n^2 + 2. Also coordination sequence for f.c.c. or A_3 or D_3 lattice.at n=44A005901
- a(0) = 1, a(n) = 40*n^2 + 2 for n>0.at n=22A010022
- Number of partitions satisfying (cn(2,5) <= cn(1,5) and cn(3,5) <= cn(1,5) and cn(2,5) <= cn(4,5) and cn(3,5) <= cn(4,5)).at n=45A036802
- Numbers k such that 3*2^k - 5 is prime.at n=39A057912
- Number of sets of lists (cf. A000262) with even number of lists.at n=7A088312
- Number of sets of odd number of even lists, cf. A000262.at n=6A096939
- Numbers n such that n^6 + 545 is prime.at n=8A163592
- Expansion of ( 5-9*x^2-2*x^3 ) / ( (1+x-x^2)*(1-x-x^2-x^3) ).at n=16A190914
- Number of tatami tilings of a 5 X n grid (with monomers allowed).at n=13A192091
- Number of ways to arrange 5 indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.at n=5A194482
- T(n,k) = number of ways to arrange k indistinguishable points on an n X n X n triangular grid so that no four points are in the same row or diagonal.at n=50A194485
- prime(n^3) - prime(n).at n=12A214612
- Concatenation of n-th prime and n-th nonprime.at n=43A253910
- Number of perfect cube parts in all partitions of n.at n=29A264392
- Numbers that are the sum of fourth powers of three distinct positive integers in arithmetic progression.at n=21A306214
- Successive records of function f(x) = log(abs(pi(x) - R(x)))/log(x) where pi(x) is the number of primes <= x and R(x) is Riemann's prime counting function.at n=45A353055
- a(n) = smallest k such that li(k) - pi(k) >= n, where li(k) is the logarithmic integral and pi(x) is the number of primes <= x.at n=32A359145
- Consecutive states of the linear congruential pseudo-random number generator (419*s + 6173) mod 29282 when started at s=1.at n=39A385036