98000

Appears in sequences

• Number of nonequivalent dissections of an n-gon into n-4 polygons by nonintersecting diagonals up to rotation and reflection.at n=9A003450
• Numbers whose digital sum is equal to the sum of primes from their smallest to largest prime factor.at n=25A076406
• Numbers n in which the last K digits of n form an integer divisible by K^3, for K = 1, 2, ..., M, where M is the number of digits in n.at n=52A079239
• a(n) is the largest number such that all of a(n)'s length-n substrings are distinct and divisible by 20.at n=2A093220
• Non-perfect powers k for which q = A051903(k)/A051904(k) is an integer, A051904(k) > 1.at n=15A093770
• Take the n-th pair of consecutive digits of the sequence and form their absolute difference; the result is the n-th digit of the sequence; a(n) < a(n+1).at n=18A102694
• Numbers n such that every digit of both n and n^2 contains a loop (only digits 0,4,6,8,9 in n and n^2).at n=27A107626
• Triangle of numbers related to the spectrum of the hydrogen (H) atom.at n=33A119937
• Numbers k such that k and k^2 use only the digits 0, 4, 6, 8 and 9.at n=28A136956
• a(n) = A016755(n) - A001845(n).at n=24A188050
• Numbers with prime factorization p^2*q^3*r^4 where p, q, and r are distinct primes.at n=12A190115
• Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=39A207106
• The largest n-digit number whose last k digits are divisible by k^2 for k = 1..n, otherwise 0.at n=4A228011
• Peak values in A232221.at n=8A232361
• Number of (n+1) X (2+1) 0..1 arrays with nondecreasing x(i,j)+x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=35A250723
• Pointwise product of the arithmetic derivative and the primorial base exp-function.at n=48A358669