1630729

Appears in sequences

• Squares-of-primes in which no two adjacent digits have the same parity.at n=23A030146
• a(n+1) is the smallest square > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(0)=1.at n=13A067713
• Number of n X 5 binary matrices with no two 1's adjacent diagonally or antidiagonally.at n=5A181209
• Number of nX6 binary matrices with no two 1's adjacent diagonally or antidiagonally.at n=4A181210
• Squares which have one or more occurrences of exactly seven different digits.at n=17A235722
• Prime powers (A025475) such that the distance to the nearest prime power is an oblong number (A002378).at n=12A239521
• Numbers k such that sigma(k^3) is prime.at n=31A279096
• Squares whose arithmetic mean of digits is 4 (i.e., the sum of digits is 4 times the number of digits).at n=25A316484