61027

Properties

Appears in sequences

• Primes equal to the sum of the first k primes for some k.at n=18A013918
• a(n) and a(n)+4^k are primes at least for k=1,2,3,4.at n=22A049494
• a(1) = 2; a(n+1) is the smallest prime > a(n) which differs from it in every digit.at n=36A068853
• Records in A111267.at n=29A111268
• n-th prime that begins with prime(n).at n=17A229206
• Number of partitions p = [x(1), ..., x(k)], where x(1) >= x(2) >= ... >= x(k), of n such that max(x(i) - x(i-1)) is a part of p.at n=49A241735
• Triangle T(n,k) read by rows: coefficients of polynomials P_n(t) defined in Formula section.at n=20A291844
• Column 3 of triangle A291844.at n=2A294163
• Number of nX5 0..1 arrays with every element equal to 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=10A298097
• Prime numbersat n=6148