90000
domain: N
Appears in sequences
- Sum of first n cubes; or n-th triangular number squared.at n=24A000537
- Powers of 3 written in base 27.at n=14A004669
- Squares of even triangular numbers.at n=11A014738
- a(n) = (8*n + 4)^2.at n=37A017114
- a(n) = (10*n)^2.at n=30A017270
- a(n) = (11*n + 3)^2.at n=27A017426
- a(n) = (12*n)^2.at n=25A017522
- Squares using no more than two distinct digits.at n=28A018885
- Squares whose digits are squares.at n=22A019544
- Numbers of form 3^i*10^j, with i, j >= 0.at n=34A025616
- Numbers of form 9^i*10^j, with i, j >= 0.at n=19A025635
- Squares with digits in nonincreasing order.at n=19A028822
- a(n+1) is smallest square > a(n) having no digits in common with a(n), with a(0) = 0.at n=28A030288
- Smallest nontrivial extension of n^2 which is a square.at n=29A030686
- Squares and omitting some digit gives another number in this list.at n=29A034378
- Numbers that contain only one nonzero digit.at n=44A037124
- Triangle whose (i,j)-th entry is binomial(i,j)*3^(i-j)*10^j.at n=18A038228
- Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*3^j.at n=17A038305
- Numbers having four 0's in base 10.at n=8A043492
- Squares with initial digit '9'.at n=8A045793