31410

Appears in sequences

• Numbers in A075728 which are not one less than some prime.at n=28A179232
• Number of nX3 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=5A281931
• Number of nX6 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=2A281934
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=30A281936
• T(n,k)=Number of nXk 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=33A281936
• The smallest number in base n such that two digits (and no fewer) need to be changed to get a prime.at n=43A370531
• a(n) is the number of squares <= 10^n that are not higher powers, i.e., terms of A076467.at n=8A378168