57630
domain: N
Appears in sequences
- McKay-Thompson series of class 5a for Monster.at n=34A007253
- Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 16.at n=30A031694
- Sum of even composites up to n is palindromic.at n=10A058851
- Triangular numbers with sum of digits = 21.at n=34A068131
- Triangular numbers that are sums of two consecutive primes.at n=35A111163
- Triangular numbers whose digit reversal is the product of 2 palindromes greater than 1.at n=37A115702
- a(n) = 256*n^2 + 2*n.at n=14A158230
- a(n) = 900*n^2 + 30.at n=8A158672
- Smallest triangular number whose decimal expansion ends (nontrivially) with the n-th triangular number.at n=34A229262
- Squares where A323810 gets stuck.at n=11A323814
- Triangular numbers which are products of five distinct primes.at n=16A357590
- Number of unordered pairs of distinct strict integer partitions of n.at n=31A366132