76725

Appears in sequences

• Perrin sequence (or Perrin numbers, or Ondrej Such sequence): a(n) = a(n-2) + a(n-3) with a(0) = 3, a(1) = 0, a(2) = 2.at n=40A001608
• Terms of A094302 without repetition.at n=36A094426
• Terms of A094302 which are not squarefree, without repetition.at n=2A094427
• Expansion of ( 2+x+2*x^2 ) / ( 1-2*x+x^2-x^3 ).at n=18A109377
• a(n) = floor(r^n) where r is the smallest Pisot number (real root r=1.3247179... of x^3-x-1).at n=40A112639
• Perrin numbers which are divisible by their digital root.at n=18A117959
• Numbers k such that k and k^2 use only the digits 2, 5, 6, 7 and 8.at n=39A137111
• a(n) = (8*n+3)*(8*n+7).at n=34A146301
• a(n) = 16*n^4 + 256*n^3 + 1160*n^2 + 1088*n + 285.at n=5A176712
• a(n) = round(r^n) where r is the smallest Pisot number (real root r=1.3247179.. of x^3-x-1).at n=40A205579
• a(n) = a(n-1) + a(n-2) + a(n-4).at n=20A259967
• Numbers k such that A360327(k) > 2*k.at n=9A360328
• Primitive terms of A360328: terms of A360328 with no proper divisor in A360328.at n=3A360355
• Numbers that are divisible by the squares of two distinct primes and whose arithmetic derivative (A003415) is a squarefree number of the form 4k+2.at n=21A368697
• Odd numbers k such that gcd(A276086(sigma(k)-k), A276086(k)) is equal to A276086(k), where A276086 is the primorial base exp-function, and sigma is the sum of divisors function.at n=38A388267
• Initial term of first maximal bad interval of width n, i.e., initial term of the first run of exactly n+1 consecutive integers in A388654; or 0 if no such interval exists.at n=4A388850