106028
domain: N
Appears in sequences
- Greedy frac multiples of Catalan's constant, G: a(1)=1, Sum_{n>0} frac(a(n)*x) = 1 at x=G=A006752, where "frac(y)" denotes the fractional part of y.at n=6A080158
- Number of n X n 0..3 matrices with each 2 X 2 subblock idempotent.at n=13A224660
- Numbers k such that k^2, (k+1)^2 and (k+2)^2 are all abundant numbers.at n=34A383391