329266

Appears in sequences

• a(n) = n^4 - (n-1)^4 + (n-2)^4 - ... 0^4.at n=28A062392
• Triangular numbers containing 2k digits in which the sum of the first k digits = that of the rest.at n=33A068898
• Triangular numbers whose external digits as well as internal digits form triangular numbers.at n=33A077368
• Least triangular number of the form p*triangular(n) where p is a prime number, or 0 if no such triangular number exists.at n=28A225789