Sum of first n cubes

0..49 -> map { .faulhaber_sum(3) }.slices(5).each { .join(' ').say }

Output:

0 1 9 36 100
225 441 784 1296 2025
3025 4356 6084 8281 11025
14400 18496 23409 29241 36100
44100 53361 64009 76176 90000
105625 123201 142884 164836 189225
216225 246016 278784 314721 354025
396900 443556 494209 549081 608400
672400 741321 815409 894916 980100
1071225 1168561 1272384 1382976 1500625