Definition:Square Pyramidal Number/Sequence
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Sequence of Square Pyramidal Numbers
The sequence of square pyramidal numbers begins as follows:
- $1, 5, 14, 30, 55, 91, 140, 204, 285, 385, 506, 650, \ldots$
This sequence is A000330 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $55$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $55$