89109

Appears in sequences

• Denominators of continued fraction convergents to sqrt(562).at n=11A042077
• Numbers k which when sandwiched between two 9's give a multiple of k.at n=18A116444
• 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, 0, 0), (-1, 1, 1), (0, -1, 0), (1, 1, 0)}.at n=10A149241
• Numbers k such that gcd(k^2, reverse(k^2)) = k.at n=15A175823
• Numbers m such that the largest digit in the decimal expansion of 1/m is 2.at n=29A341383
• Numbers with easy multiplication table - the first 9 multiples of these numbers can be derived by either incrementing or decrementing the corresponding digits from the previous multiple.at n=37A359925
• Expansion of Product_{k>=1} 1/(1 - (2^k - 1) * x^k).at n=12A382977