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A211007
Surface area of the first n faces of the structure mentioned in A211006.
2
1, 6, 10, 15, 21, 28, 55, 66, 78, 91, 136, 153, 171, 190, 253, 276, 406, 435, 465, 496, 666, 703, 820, 861, 903, 946, 1081, 1128, 1378, 1431, 1711, 1770, 1830, 1891, 2211, 2278, 2485, 2556, 2628, 2701, 3081, 3160, 3403, 3486, 3916, 4005, 4656, 4753, 5050
OFFSET
1,2
COMMENTS
All members of this sequence are triangular numbers A000217.
It appears that this is the same as A147846 without 3.
CROSSREFS
Partial sums of A211006.
Sequence in context: A333296 A376000 A115744 * A315279 A122783 A333747
KEYWORD
nonn
AUTHOR
Omar E. Pol, Aug 12 2012
STATUS
approved