A003391 Numbers that are the sum of 2 positive 9th powers.

2, 513, 1024, 19684, 20195, 39366, 262145, 262656, 281827, 524288, 1953126, 1953637, 1972808, 2215269, 3906250, 10077697, 10078208, 10097379, 10339840, 12030821, 20155392, 40353608, 40354119, 40373290, 40615751, 42306732, 50431303, 80707214, 134217729, 134218240, 134237411

Offset

1,1

Links

David A. Corneth, Table of n, a(n) for n = 1..10000

Example

From David A. Corneth, Aug 03 2020: (Start)
4605366718202103 is in the sequence as 4605366718202103 = 8^9 + 55^9.
66540479494556160 is in the sequence as 66540479494556160 = 16^9 + 74^9.
208226326986883072 is in the sequence as 208226326986883072 = 28^9 + 84^9. (End)

Crossrefs

Cf. A003380 (8th), A004802 (10th).

Cf. A001017 (ninth powers).

Sequence in context: A004886 A234606 A139302 * A294276 A320520 A196290

Adjacent sequences: A003388 A003389 A003390 * A003392 A003393 A003394

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved