468028
domain: N
Appears in sequences
- a(n) = n^2*(2*n^2 - 1); also Sum_{k=0..n-1} (2k+1)^3.at n=22A002593
- Triangular numbers with only even digits.at n=24A117978
- Triangular numbers that are the product of a square number and a prime number.at n=32A253653
- Triangular numbers n such that each decimal digit of n is equal to the difference of at least two other digits of n.at n=29A255917