90552
domain: N
Appears in sequences
- a(n) = (n + 1)*(n + 2)*(n + 4)*(n + 8)*(n + 15)/120.at n=20A006636
- Molien series for group G_{1,3} of order 2304.at n=22A051461
- Molien series for group G_{1,3}^{8} of order 4608.at n=11A051463
- G.f.: q*Product_{k>0} (1-q^(12k))(1+q^(12k-1))(1+q^(12k-11))/(1-q^k).at n=41A098693
- Coefficients of a q-series inspired by Andrews and Ramanujan.at n=42A122928
- Composite numbers such that the square root of the sum of squares of their prime factors is a prime.at n=30A134607
- Number of genus 3, degree n, simply ramified covers of an elliptic curve.at n=4A170992
- Fourth accumulation array, T, of the natural number array A000027, by antidiagonals.at n=59A185509
- Number of (n+2)X(n+2) binary arrays avoiding patterns 001 and 101 in rows and columns.at n=4A202194
- Number of (n+2) X 7 binary arrays avoiding patterns 001 and 101 in rows and columns.at n=4A202199
- T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 101 in rows and columns.at n=40A202202
- Maximum incarceration of numbers in an n X n X n number cubes with full incarceration volumes.at n=8A275359
- a(0) = 0, a(1) = 1 and a(n) = 6*a(n-1)/(n-1) + 4*a(n-2) for n > 1.at n=12A305032
- Irregular triangle read by rows: T(r,c) is the product of the number of standard Young tableaux (A117506) and the number of semistandard Young tableaux (A262030) for partitions of r.at n=32A380611
- Integers k such that there exists an integer 0<m<k such that (1/sigma(m)^2 + 1/sigma(k)^2)*(m+k)^2 = 1.at n=22A383964