31427

Appears in sequences

• a(n) is the smallest number for which the prime distance A051699 is equal to n.at n=30A077019
• Least positive k such that the distance from k to closest prime = n.at n=30A079582
• Smallest number at distance exactly 3n from nearest prime.at n=10A132470
• Smallest number at distance 2n from nearest prime (variant 2).at n=15A132860
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 0100-1101-0111 pattern in any orientation.at n=14A147057
• Number of (w,x,y,z) with all terms in {0,...,n} and w=max{w,x,y,z}-2*min{w,x,y,z}.at n=26A212745
• First column of A261987.at n=13A262042
• Numbers that cannot be expressed as sum of at most nine repdigits numbers. One may not add two integers with the same repeated digit.at n=1A339673