42189
domain: N
Appears in sequences
- a(n) is smallest number such that number of primes produced according to rules stipulated in Honaker's A048853 is n.at n=19A050662
- a(n) is the number of nonnegative integers k less than 10^n such that the decimal representation of k lacks the digit 1, at least one of digits 2,3, at least one of digits 4,5,6 and at least one of digits 7,8,9.at n=4A126632
- Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (-1, 1, 1), (0, 1, 1), (1, -1, -1)}.at n=11A148262
- Where records occur in A209252.at n=11A276694
- a(n) = (prime(1+n)*prime(n)) + prime(n) + 1.at n=45A286624
- Numbers m such that there are precisely 19 groups of order m.at n=23A298910