1901749

Properties

Appears in sequences

• Number of nonnegative integer matrices with total sum n, distinct columns with equal sums and any number of nonzero rows in nonincreasing lexicographic order.at n=13A330158
• Beginning with 7, least prime such that concatenation of first n terms and its digit reversal both are primes.at n=39A379761
• Prime numbersat n=142142