30134

Appears in sequences

• Numbers k such that the k-th triangular number contains only digits {0,4,5}.at n=10A119072
• Sums of 2 cubes of distinct odd primes.at n=36A137632
• Number of integer partitions of n whose parts plus 1 are relatively prime.at n=38A318980
• Number of regions in a "cross" of width 3 and height n (see Comments for definition).at n=18A331455