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A027849 (n+1)*(5*n^2+4*n+1). 1
1, 20, 87, 232, 485, 876, 1435, 2192, 3177, 4420, 5951, 7800, 9997, 12572, 15555, 18976, 22865, 27252, 32167, 37640, 43701, 50380, 57707, 65712, 74425, 83876, 94095, 105112, 116957, 129660, 143251 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A006566 A205312 A154077 * A200431 A172200 A177291

Adjacent sequences:  A027846 A027847 A027848 * A027850 A027851 A027852

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.