A359095 a(n) is the index of the smallest square pyramidal number divisible by exactly n square pyramidal numbers.

1, 2, 4, 7, 24, 77, 27, 87, 220, 104, 1007, 175, 1000, 1287, 6187, 10867, 5967, 13727, 5719, 22847, 18980, 21735, 55912, 245024, 195975, 288144, 196735, 108927, 1107567, 5404112, 3145824, 3768687, 5405575, 1245887, 521559, 1101600

Offset

1,2

Links

Table of n, a(n) for n=1..36.

Eric Weisstein's World of Mathematics, Square Pyramidal Number

Crossrefs

Cf. A000330, A342808, A359094.

Sequence in context: A353986 A138049 A099387 * A036440 A103001 A343798

Adjacent sequences: A359092 A359093 A359094 * A359096 A359097 A359098

Keyword

nonn

Author

Ilya Gutkovskiy, Dec 16 2022

Extensions

a(11)-a(28) from Jon E. Schoenfield, Dec 17 2022

a(29)-a(36) from Daniel Suteu, Dec 17 2022

Status

approved