A364150 a(n) is the smallest positive integer which can be represented as the sum of distinct positive quarter-squares in exactly n ways, or -1 if no such integer exists.

1, 6, 12, 16, 21, 22, 27, 33, 31, 32, 36, 37, 41, -1, 42, 43, 47, -1, 49, 48, -1, 54, 52, -1, 60, 59, 57, -1, 58, 61, 62, 63, 65, 64, -1, -1, 69, 67, 70, -1, 68, 72, -1, 75, -1, 73, 76, 74, -1, -1, -1, 77, 80, 78, 79, 81, -1, 82, -1, -1

Offset

1,2

Links

Table of n, a(n) for n=1..60.

Crossrefs

Cf. A002620, A097563, A197081.

Sequence in context: A315639 A106504 A114061 * A315640 A315641 A315642

Adjacent sequences: A364147 A364148 A364149 * A364151 A364152 A364153

Keyword

sign

Author

Ilya Gutkovskiy, Jul 10 2023

Status

approved