28459

Appears in sequences

• a(n) = 1 + F(2*n+1) + (-1)^n*L(n).at n=11A006172
• Number of partitions of n into parts not of the form 17k, 17k+6 or 17k-6. Also number of partitions with at most 5 parts of size 1 and differences between parts at distance 7 are greater than 1.at n=41A035967
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (0, 0, 1), (0, 1, -1), (1, 0, 1)}.at n=8A150407
• The non-common part of the larger number of an amicable pair.at n=26A180327
• Semiprimes whose prime factors are of equal binary length and which differ from each other in exactly three bit positions.at n=53A261075
• Records in A030000.at n=46A372044