72019

Properties

Appears in sequences

• 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, 0, 1), (0, -1, 1), (1, 1, -1), (1, 1, 0)}.at n=10A148943
• Larger of 3 consecutive prime numbers such that p1*p2*p3*d1*d2=average of twin prime pairs; p1,p2,p3 consecutive prime numbers; d1(delta)=p2-p1, d2(delta)=p3-p2.at n=33A153411
• Primes prime(k) such that the sum of the squares of digits of prime(k) equals the sum of the squares of digits of k.at n=36A193255
• Primes p such that A001175(p) = (p-1)/9.at n=35A308794
• Primes p such that A001177(p) = (p-1)/9.at n=21A308802
• Number of simple graphs on n vertices up to homotopy equivalence.at n=24A331554
• Prime numbers that have the same base-10 digits as their prime index (with multiplicity), disregarding zero digits.at n=9A355317
• Prime numbersat n=7129