150994937

Properties

Appears in sequences

• Smallest prime obtained as a sum of n terms of a geometric progression + the common ratio, or 0 if no such terms exists. Smallest prime of the form (a +ar +ar^2 + ar^3 +... ) + r.at n=23A088121
• Expansion of (1-x+7x^2)/((1-x)(1-2x)).at n=25A154251
• Primes of the form 9n^3-7.at n=22A200964
• a(n) = (n+1)*(n^n) - n + 1.at n=7A351331
• Prime numbersat n=8497120