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A316483
Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).
1
144, 225, 324, 441, 900, 108900, 114921, 119025, 125316, 129600, 136161, 140625, 145161, 159201, 161604, 164025, 176400, 184041, 205209, 210681, 213444, 216225, 219024, 221841, 239121, 242064, 245025, 248004, 254016, 291600, 304704, 308025, 311364, 314721
OFFSET
1,1
COMMENTS
Each term's number of digits is divisible by 3. (See A316480.)
LINKS
EXAMPLE
12^2 = 144, a 3-digit number whose digit sum is 1+4+4 = 9 = 3*3, so 144 is a term.
360^2 = 129600, a 6-digit number whose digit sum is 1+2+9+6+0+0 = 18 = 3*6, so 129600 is a term.
CROSSREFS
Intersection of A000290 and A061386. - Michel Marcus, Jul 06 2018
Sequence in context: A276564 A061040 A159456 * A064563 A008436 A250773
KEYWORD
nonn,base
AUTHOR
Jon E. Schoenfield, Jul 04 2018
STATUS
approved