A378926 -id:A378926 - cp's OEIS frontend

A378925 Positive numbers whose squares have at most one digit less than 8.

1, 2, 3, 7, 9, 17, 83, 2983, 298327

Offset: 1

Zhining Yang, Dec 11 2024

No terms > 298327 with less than 11 digits.

No terms > 298327 with less than 22 digits. - Michael S. Branicky, Dec 11 2024

			298327 is a term because 298327^2 = 88998998929 has only one digit that is less than 8.

Cf. A053934, A360822, A378926, A378927.

Select[Range[10^6], Count[IntegerDigits[#^2], _?(#1 < 8 &)] < 2 &]

A378927 Positive numbers whose squares have at most three digits less than 9.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 33, 36, 37, 43, 44, 47, 53, 54, 57, 63, 64, 67, 70, 73, 77, 83, 86, 87, 89, 93, 95, 96, 97, 98, 99, 114, 173, 187, 223, 243, 263, 264, 303, 307, 313, 314, 315, 316, 437, 447, 547, 707, 964, 997, 1414, 2236, 2827, 3033, 3114, 3148, 3161

Offset: 1

Zhining Yang, Dec 11 2024

No terms > 3161 with less than 16 digits.

No terms > 3161 with less than 101 digits. - Michael S. Branicky, Dec 11 2024

			3161 is a term because 3161^2 = 9991921 has only three digits that are less than 9.

Cf. A053934, A360822, A378925, A378926.

Select[Range[10^6], Count[IntegerDigits[#^2], _?(#1 < 9 &)] < 4 &]

cp's OEIS Frontend

A378925 Positive numbers whose squares have at most one digit less than 8.

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