27750

Appears in sequences

• Dying rabbits: a(n) = a(n-1) + a(n-2) - a(n-6).at n=25A023436
• a(n) = 60*n^2 + 180*n + 150.at n=19A069477
• Starting positions of strings of three 8's in the decimal expansion of Pi.at n=26A083637
• Third differences of fifth powers (A000584).at n=22A101096
• Indices of primes in sequence defined by A(0) = 59, A(n) = 10*A(n-1) - 11 for n > 0.at n=12A101586
• a(n) = 36*n^2 - 17*n + 2.at n=27A157265
• Number of irreducible indecomposable spherical curves with n crossings (only ordinary double points), the circle is oriented, the sphere is oriented (OO case).at n=11A264761
• Number of irreducible indecomposable bicolored immersions of unoriented circle into oriented sphere with n double points.at n=11A268573
• A digitized pure tuning tone, sampled at standard settings for consumer audio: a(n) = floor(sin(2*Pi*(440/44100)*n)*32767).at n=34A320277
• a(n) is the number of regions formed by n-secting the angles of a decagon.at n=37A335800
• Number of ways to split an integer partition of n into contiguous subsequences with weakly increasing sums.at n=28A336136
• Triangle read by rows: T(n,k) is the number of achiral colorings of the edges of a regular n-D orthotope (or ridges of a regular n-D orthoplex) using exactly k colors. Row n has n*2^(n-1) columns.at n=10A338145
• Triangle read by rows: T(n,k) is the number of achiral colorings of the edges of a regular n-D orthoplex (or ridges of a regular n-D orthotope) using exactly k colors. Row 1 has 1 column; row n>1 has 2*n*(n-1) columns.at n=10A338149