A350199 a(n) is the smallest positive integer which can be represented as the sum of distinct nonzero octagonal numbers in exactly n ways, or 0 if no such integer exists.

1, 105, 238, 302, 342, 406, 570, 622, 639, 686, 758, 750, 822, 815, 862, 883, 926, 983, 1027, 966, 995, 987, 1099, 1091, 1159, 1142, 1143, 1183, 1227, 1171, 1231, 1163, 1315, 1295, 1296, 1275, 1372, 1267, 1371, 1343, 1375, 1399, 1476, 1411, 1403, 1407, 1463, 1451, 1508, 1507

Offset

1,2

Links

Table of n, a(n) for n=1..50.

Eric Weisstein's World of Mathematics, Octagonal Number

Crossrefs

Cf. A000567, A097563, A274046, A279281, A350196, A350197, A350198.

Sequence in context: A307108 A262723 A250757 * A146257 A075764 A046299

Adjacent sequences: A350196 A350197 A350198 * A350200 A350201 A350202

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 19 2021

Status

approved