26649

Appears in sequences

• a(n) = (n+2)*(n+1)*(n^2 + 7*n - 12)/24.at n=25A014309
• Fibonacci sequence beginning 0, 27.at n=16A022361
• Longest edge a of smallest (measured by the longest edge) primitive Euler bricks (a, b, c, sqrt(a^2 + b^2), sqrt(b^2 + c^2), sqrt(a^2 + c^2) are integers).at n=34A031173
• Ruth-Aaron numbers (2): sum of prime divisors of n = sum of prime divisors of n+1 (both taken with multiplicity).at n=29A039752
• a(n) = 3^n mod n^3.at n=29A066607
• a(n) = floor(11^n/8^n).at n=32A094995
• a(n) = n^2*(n^3 - n^2 + n + 1)/2.at n=9A101376
• Triangle read by rows: T(n,k) (0 <= k <= n) = numerator of Integral_{x=0..n} binomial(x,k).at n=53A241186
• Longest word T from a string S using no breakpoint-reuse.at n=30A280429
• The odd edge of a primitive 3-simplex (0, b=A031173, c=A031174, d=A031175).at n=34A298047
• G.f. satisfies A(x) = 1 - x^2 + x*A(x)^3.at n=8A367044
• Number of partitions of 1 into {1/1, 1/3, 1/5, ..., 1/(2*n-1)}.at n=23A378269
• Numbers k such that one can make an equilateral triangle from a chain of linked rods of length 1, 2, 3, ..., k, with perimeter equal to the total length.at n=29A382632
• Consecutive states of the linear congruential pseudo-random number generator (625*s + 6571) mod 31104 when started at s=1.at n=8A385279