27148

Appears in sequences

• Base-9 palindromes that start with 4.at n=31A043031
• Numbers k such that 11*13^k + 2 is prime.at n=16A084074
• Left edge of the triangle in A033291.at n=43A192735
• Number of ordered triples (w,x,y) with all terms in {-n,...-1,1,...,n} and w+2x+2y>0.at n=19A211624
• Number of 7-line partitions of n (i.e., planar partitions of n with at most 7 lines).at n=18A225197