30797

Appears in sequences

• Starting index of a string of 4 or more consecutive equal digits in decimal expansion of Pi.at n=28A049516
• Starting index of a string of exactly 4 consecutive equal digits in decimal expansion of Pi.at n=17A049520
• Starting positions of strings of three 8's in the decimal expansion of Pi.at n=31A083637
• Composite squarefree numbers n such that p(i)-3 divides n+3, where p(i) are the prime factors of n.at n=4A225703
• Expansion of Product_{1 <= i <= j <= k} (1 + x^(i*j*k)).at n=43A321359