A137508 - OEIS

This site is supported by donations to The OEIS Foundation.

A137508

Successive structures of alkaline earth metals (periodic table elements from 2nd column).

2, 2, 2, 8, 2, 2, 8, 8, 2, 2, 8, 18, 8, 2, 2, 8, 18, 18, 8, 2, 2, 8, 18, 32, 18, 8, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	EXAMPLE	`27 terms: 2, 2 for beryllium, ... Every structure is palindromic (even and odd mixed). Also 2*A106314.`
	CROSSREFS	`Cf. A099956, A005993. Same numbers as in A093907.` `Sequence in context: A132697 A160689 A179976 * A055921 A029605 A054271` `Adjacent sequences: A137505 A137506 A137507 * A137509 A137510 A137511`
	KEYWORD	`nonn`
	AUTHOR	`Paul Curtz (bpcrtz(AT)free.fr), Apr 23 2008`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 10:53 EST 2012. Contains 205904 sequences.