66712
domain: N
Appears in sequences
- Maximal number of regions obtained by joining n points around a circle by straight lines. Also number of regions in 4-space formed by n-1 hyperplanes.at n=36A000127
- Place n equally-spaced points around a circle and join every pair of points by a chord; this divides the circle into a(n) regions.at n=36A006533
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 47 ones.at n=11A031815
- Decimal part of n^(1/11) starts with a 'nine digits' anagram.at n=28A034286
- Triangle read by rows: T(n,k) is number of Grand Motzkin paths of length n having k hills (i.e., ud's starting at level 0). (A Grand Motzkin path is a path in the half-plane x>=0, starting at (0,0), ending at (n,0) and consisting of steps u=(1,1), d=(1,-1) and h=(1,0).).at n=50A109191
- Complete list of solutions to y^2 + y = x^3 - 525x + 10156 with y > 0; sequence gives positive y values.at n=15A317053
- Positive numbers whose square starts and ends with exactly 44, and no 444.at n=23A348831
- Expansion of e.g.f. (1/x) * Series_Reversion( x*(1 - x*exp(x))^4 ).at n=4A377629