id:A015220 - OEIS Search Results

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Even tetrahedral numbers.

+0
2

4, 10, 20, 56, 84, 120, 220, 286, 364, 560, 680, 816, 1140, 1330, 1540, 2024, 2300, 2600, 3276, 3654, 4060, 4960, 5456, 5984, 7140, 7770, 8436, 9880, 10660, 11480, 13244, 14190, 15180, 17296, 18424, 19600, 22100, 23426, 24804, 27720, 29260 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A000292.` `Sequence in context: A020149 A056412 A032275 this_sequence A047199 A038065 A038422` `Adjacent sequences: A015217 A015218 A015219 this_sequence A015221 A015222 A015223`
	KEYWORD	`nonn,easy`
	AUTHOR	`Mohammad K. Azarian (ma3(AT)evansville.edu)`
	EXTENSIONS	`More terms from Erich Friedman (erich.friedman(AT)stetson.edu).`

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Last modified November 25 13:47 EST 2009. Contains 167481 sequences.

AT&T Labs Research