103285

Appears in sequences

• Iterated binomial coefficients.at n=5A049383
• a(n) = n*(n^2 - 1)*(n + 2)*(n^2 + 4*n + 6)/72.at n=13A054563
• a(1) = 1; a(n+1) = smallest triangular number > a(n) formed by adding at least one digit to a(n).at n=4A068618
• a(1) = 5; a(n+1) = smallest triangular number > a(n) formed by adding at least one digit to a(n).at n=4A068622
• a(1) = 0, then smallest triangular number such that a(n+1)- a(n) is a palindrome.at n=31A075057
• Triangular numbers which have one or more occurrences of exactly six different digits.at n=1A241789
• Partial sums of icosahedral numbers (A006564).at n=19A302560
• Let p(n) be the n-th composite squarefree number. a(n) is the smallest integer q that forms a pure idempotent product.at n=40A325945
• Triangular numbers such that the sum of cubes of their digits is prime.at n=33A345351