63633
domain: N
Appears in sequences
- Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)).at n=41A024173
- a(n) = C(n+3,4) + 3*C(n+1,3) + 5*C(n-1,2) + 7*n - 15.at n=29A034858
- a(n) = C(n+3,4) + 3*C(n+1,3) + 5*C(n-1,2) + 7*n - 15 for n >= 3; a(1)=1, a(2)=10.at n=30A034859
- n times n+6 gives the concatenation of two numbers m and m-8.at n=14A116237
- Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01010-11111-00100 pattern in any orientation.at n=12A147352