OFFSET
3,1
COMMENTS
LINKS
Arkadiusz Wesolowski, Rows n = 3..8, flattened
Eric Weisstein's World of Mathematics, Polygonal Number
EXAMPLE
The semimagic squares are:
triangular numbers
|---|---|---|
| 15| 66|630|
|---|---|---|
|231|435| 45|
|---|---|---|
|465|210| 36|
|---|---|---|
.
square numbers
|----|----|----|
| 16 | 529|2704|
|----|----|----|
|1024|1936| 289|
|----|----|----|
|2209| 784| 256|
|----|----|----|
.
pentagonal numbers
|------|------|------|
| 651 | 54626|356972|
|------|------|------|
|135751|241001| 35497|
|------|------|------|
|275847|116622| 19780|
|------|------|------|
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Arkadiusz Wesolowski, Dec 02 2015
EXTENSIONS
More terms from Arkadiusz Wesolowski, Apr 03 2016
STATUS
approved